The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A125591 Unique sequence that begins with nine zeros and a 1 and has the properties that each leading term of the difference triangle is single-digit, and the concatenation of the leading terms of the difference triangle is the same as the concatenation of the digits of the sequence. 4
0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 11, 67, 304, 1164, 4014, 12883, 39020, 112031, 305373, 791546, 1956250, 4626271, 10512977, 23062285, 49074852, 101805531, 206954478, 414408128, 821558374, 1620083727, 3190286294, 6291416560, 12444470904, 24698286376, 49154868690 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,11
COMMENTS
Binomial transform of sequence gives successive digits of sequence.
LINKS
N. J. A. Sloane, Transforms
EXAMPLE
Difference triangle begins:
0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 11, 67, 304, 1164, 4014, 12883, 39020
0, 0, 0, 0, 0, 0, 0, 0, 1, 10, 56, 237, 860, 2850, 8869, 26137
0, 0, 0, 0, 0, 0, 0, 1, 9, 46, 181, 623, 1990, 6019, 17268
0, 0, 0, 0, 0, 0, 1, 8, 37, 135, 442, 1367, 4029, 11249
0, 0, 0, 0, 0, 1, 7, 29, 98, 307, 925, 2662, 7220
0, 0, 0, 0, 1, 6, 22, 69, 209, 618, 1737, 4558
0, 0, 0, 1, 5, 16, 47, 140, 409, 1119, 2821
0, 0, 1, 4, 11, 31, 93, 269, 710, 1702
0, 1, 3, 7, 20, 62, 176, 441, 992
1, 2, 4, 13, 42, 114, 265, 551
1, 2, 9, 29, 72, 151, 286
1, 7, 20, 43, 79, 135
CROSSREFS
Cf. A125588.
Sequence in context: A001808 A258479 A035041 * A092841 A165673 A220511
KEYWORD
nonn,base,easy
AUTHOR
N. J. A. Sloane, Jan 07 2007
EXTENSIONS
Name edited and a(17) - a(34) from Nathaniel Johnston, Apr 15 2011
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 9 07:31 EDT 2024. Contains 373229 sequences. (Running on oeis4.)