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Search: id:A027501
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A027501 First diagonal of A027496. +0
1
1, 1, 4, 4, 45, 121680, 895412700, 765208749487, 23131167341635600, 1241298775946837183769648, 88337130010856531512760631670, 1708369803301228434760503165381979211286000 (list; graph; listen)
OFFSET

1,3

FORMULA

Numerators of sequence a[ n, n ] in (a[ i, j ])^3 where a[ i, j ] = S(i, j)/BellNumber(i) if j<=i, 0 if j>i

CROSSREFS

Sequence in context: A125066 A016498 A082794 this_sequence A009644 A156483 A124399

Adjacent sequences: A027498 A027499 A027500 this_sequence A027502 A027503 A027504

KEYWORD

nonn

AUTHOR

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

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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