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A027481 Third diagonal of A027477. 0
23, 215, 1035, 3535, 9730, 23058, 48930, 95370, 173745, 299585, 493493, 782145, 1199380 (list; graph; refs; listen; history; internal format)
OFFSET

3,1

FORMULA

Numerators of sequence a[ n, n-2 ] in (a[ i, j ])^2 where a[ i, j ] = s(i, j)/i! if j<=i, 0 if j>i

CROSSREFS

Sequence in context: A171342 A112747 A201831 * A201211 A194783 A110028

Adjacent sequences:  A027478 A027479 A027480 * A027482 A027483 A027484

KEYWORD

nonn

AUTHOR

Olivier Gerard (olivier.gerard(AT)gmail.com)

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Last modified February 14 23:04 EST 2012. Contains 205686 sequences.