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 A194013 Number of ways to arrange 6 points on an n X n X n triangular grid so that it balances at its center. 1
 0, 0, 1, 12, 136, 909, 4350, 16602, 53679, 152553, 391425, 923809, 2033619, 4220293, 8326008, 15719472, 28556469, 50138721, 85400418, 141555750, 228947893, 362144832, 561340717, 854121696, 1277672814, 1881508263, 2730820641 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 COMMENTS Column 6 of A194016. LINKS R. H. Hardin, Table of n, a(n) for n = 1..57 EXAMPLE Some solutions for 7 X 7 X 7: ........0..............0..............0..............1..............0 .......0.0............0.0............0.0............0.0............1.0 ......1.1.0..........0.1.1..........0.1.0..........0.0.0..........0.0.0 .....0.0.1.0........0.0.0.0........1.1.0.0........1.1.0.0........0.0.1.0 ....0.0.0.0.0......0.0.0.0.1......0.0.0.0.1......0.0.0.0.0......0.0.0.1.0 ...0.0.0.1.0.0....1.0.0.0.1.0....0.0.0.0.0.0....0.0.0.0.0.0....1.0.0.0.1.0 ..0.0.1.0.1.0.0..0.1.0.0.0.0.0..0.1.0.0.0.1.0..1.0.0.0.0.1.1..0.0.0.1.0.0.0 CROSSREFS Sequence in context: A288035 A290474 A030023 * A189501 A216081 A264503 Adjacent sequences:  A194010 A194011 A194012 * A194014 A194015 A194016 KEYWORD nonn AUTHOR R. H. Hardin, Aug 11 2011 STATUS approved

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Last modified January 19 18:36 EST 2022. Contains 350466 sequences. (Running on oeis4.)