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A027477 Square of lower triangular normalized first kind Stirling matrix. +0
5
1, 3, 1, 23, 12, 1, 330, 215, 30, 1, 7604, 5700, 1035, 60, 1, 256620, 212464, 45675, 3535, 105, 1, 11923260, 10645152, 2582209, 241080, 9730, 168, 1, 729524880, 691560092, 183962268, 19661649, 970200, 23058, 252, 1, 56840099904 (list; table; graph; listen)
OFFSET

1,2

FORMULA

Numerators of lower triangle of (a[ i, j ])^2 where a[ i, j ] = s(i, j)/i! if j<=i, 0 if j>i

CROSSREFS

Sequence in context: A113090 A138354 A010291 this_sequence A137330 A138654 A072271

Adjacent sequences: A027474 A027475 A027476 this_sequence A027478 A027479 A027480

KEYWORD

nonn,tabl

AUTHOR

Olivier Gerard (ogerard(AT)ext.jussieu.fr)

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Last modified August 28 22:44 EDT 2008. Contains 143251 sequences.


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