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A356134
Triangular array giving total number of legal Go positions on an n X k board.
2
1, 5, 57, 15, 489, 12675, 41, 4125, 321689, 24318165, 113, 35117, 8180343, 1840058693, 414295148741, 313, 299681, 208144601, 139304759213, 93332304864173, 62567386502084877, 867, 2557605, 5296282323, 10546705714473, 21026744638200555, 41945191530093646965, 83677847847984287628595
OFFSET
1,2
LINKS
Douglas Boffey, Table of n, a(n) for n = 1..190 (rows 1..19 flattened).
EXAMPLE
Triangle T(n,k) begins:
1;
5, 57;
15, 489, 12675;
41, 4125, 321689, 24318165;
113, 35117, 8180343, 1840058693, 414295148741;
...
CROSSREFS
Columns give: A102620, A266278.
Main diagonal gives A094777.
A356049 gives the table by antidiagonals.
Sequence in context: A203522 A180874 A336243 * A363059 A163793 A226425
KEYWORD
nonn,tabl
AUTHOR
Douglas Boffey, Jul 27 2022
EXTENSIONS
a(27) corrected by Sidney Cadot, Jan 5, 2023.
STATUS
approved