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!)
A113717 Column 1 of triangle A113716, in which row n forms a polynomial in y=3*k that generates diagonal n as k=0,1,2,... for n>=0. 3
1, 4, 22, 157, 1372, 14008, 161995, 2079994, 29268778, 447355381, 7378113658, 130623533086, 2471708825851, 49801573782382, 1064903759520232, 24092915169822295, 575151611909110366, 14450636276353406074 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
FORMULA
a(n) = Sum_{j=0..n} A113716(n, j)*3^j.
CROSSREFS
Cf. A113716, A113718 (column 2), A113719 (row sums).
Sequence in context: A197925 A112697 A327994 * A124563 A122704 A087547
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Nov 08 2005
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 May 20 15:51 EDT 2024. Contains 372717 sequences. (Running on oeis4.)