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⇱ The On-Line Encyclopedia of Integer Sequences (OEIS)

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Showing entries 1-10 | older changes
Number of ways to place 5 points on a triangular grid of side n so that no two of them are adjacent.
#29 by Michael De Vlieger at Fri Mar 27 15:49:49 EDT 2026
STATUS
#28 by Eric W. Weisstein at Fri Mar 27 12:38:23 EDT 2026
STATUS
#27 by Eric W. Weisstein at Fri Mar 27 12:38:21 EDT 2026
FORMULA
MATHEMATICA
#26 by Eric W. Weisstein at Fri Mar 27 12:34:41 EDT 2026
COMMENTS
LINKS
MATHEMATICA
STATUS
#25 by Charles R Greathouse IV at Thu Sep 08 08:46:07 EDT 2022
PROG
Discussion
Thu Sep 08
08:46
OEIS Server: https://oeis.org/edit/global/2944
#24 by Joerg Arndt at Wed Mar 08 11:56:30 EST 2017
STATUS
#23 by Heinrich Ludwig at Wed Mar 08 11:54:09 EST 2017
COMMENTS
CROSSREFS
STATUS
Discussion
Wed Mar 08
11:54
Heinrich Ludwig: Comment and 2 crossrefs added.
#22 by Ray Chandler at Tue Jul 14 10:46:11 EDT 2015
STATUS
#21 by Ray Chandler at Tue Jul 14 10:46:06 EDT 2015
LINKS
STATUS
#20 by Charles R Greathouse IV at Sat Jun 13 00:54:59 EDT 2015
LINKS
Discussion
Sat Jun 13
00:54
OEIS Server: https://oeis.org/edit/global/2439