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A027504
First diagonal of A027497.
0
1, 1, 8, 8, 675, 94910400, 70889823459000, 1771001425438961261, 10554011923256738773512000, 2395383854945738312420772432853506624, 219666559507438711802703983198030622743357900
OFFSET
1,3
FORMULA
Numerators of sequence a[ n, n ] 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: A320915 A298905 A059196 * A078247 A273555 A213153
KEYWORD
nonn
STATUS
approved