2,1
L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 167.
Sequence in context: A077795 A038496 A025226 this_sequence A032179 A075979 A128681
Adjacent sequences: A001191 A001192 A001193 this_sequence A001195 A001196 A001197
nonn
njas
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