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A047032
T(n,n), array T as in A047030.
0
1, 1, 3, 10, 34, 121, 441, 1632, 6101, 22991, 87193, 332388, 1272466, 4888612, 18837950, 72779450, 281815171, 1093403995, 4249702841, 16543036314, 64488251459, 251706814417, 983573894625, 3847443056540, 15064400023285
OFFSET
0,3
CROSSREFS
Sequence in context: A047017 A026616 A306409 * A362389 A149032 A149033
KEYWORD
nonn
STATUS
approved