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A027505
Second diagonal of A027497.
0
15, 609, 1920, 392486, 113377876875, 155741745023280000, 6605216052044829651068, 62870654640959433925847207524, 21721105002949781819252278922169473422080
OFFSET
2,1
FORMULA
Numerators of sequence a[ n, n-1 ] in (a[ i, j ])^4 where a[ i, j ] = S(i, j)/BellNumber(i) if j<=i, 0 if j>i
CROSSREFS
Sequence in context: A276489 A243227 A215899 * A012210 A203172 A081022
KEYWORD
nonn
STATUS
approved