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!)
A030224 Triangular polyominoes (n-iamonds) without bilateral symmetry (holes are allowed). 6
0, 0, 0, 1, 2, 7, 19, 54, 147, 418, 1150, 3254, 9138, 25953, 73717, 210719, 603370, 1734739, 4998542, 14444576, 41829991, 121406927, 353029078, 1028417980, 3000754648, 8769118355, 25661830891, 75194886765, 220605144778, 647942827064, 1905103686527, 5607037213434, 16517892572160, 48703328674762 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,5
LINKS
CROSSREFS
Sequence in context: A073799 A040016 A145519 * A114624 A091024 A275289
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Joseph Myers, Sep 24 2002
More terms from John Mason, Oct 28 2023
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 April 27 15:36 EDT 2024. Contains 372019 sequences. (Running on oeis4.)