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 A194015 Number of ways to arrange 12 points on an n X n X n triangular grid so that it balances at its center. 1
 0, 0, 0, 0, 17, 4130, 246498, 6833514, 114889560, 1350364581, 12098859685, 87508246816, 531900780705, 2798253712804, 13029075803653, 54632738218122, 209171316078609, 739462342785714, 2436048010628520, 7535911103201627 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,5 COMMENTS Column 12 of A194016. LINKS R. H. Hardin, Table of n, a(n) for n = 1..27 EXAMPLE Some solutions for 7 X 7 X 7: ........1..............1..............1..............1..............1 .......0.0............0.1............0.1............1.0............0.1 ......1.1.1..........0.1.1..........1.0.0..........0.0.0..........0.0.0 .....0.0.0.0........0.0.0.0........0.0.1.0........1.0.1.0........1.1.0.0 ....0.0.1.0.0......1.0.0.0.0......1.0.0.0.1......1.0.1.1.0......0.1.1.0.0 ...1.1.0.1.1.0....0.0.1.1.0.1....0.0.0.1.0.1....1.0.0.0.0.0....1.0.1.0.1.0 ..0.0.1.1.0.0.1..0.1.1.1.1.0.0..1.1.1.0.0.0.1..0.0.1.0.1.1.1..0.0.0.1.1.0.1 CROSSREFS Sequence in context: A367536 A239165 A329168 * A015058 A015034 A350980 Adjacent sequences: A194012 A194013 A194014 * A194016 A194017 A194018 KEYWORD nonn AUTHOR R. H. Hardin, Aug 11 2011 STATUS approved

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Last modified September 18 03:51 EDT 2024. Contains 375995 sequences. (Running on oeis4.)