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A027509
Third column of A027495.
0
2, 48, 1479, 1635807, 2749126434, 2061668165820, 27000403702103927, 3601167630198173688855, 6920681213556240162865580, 2513639364690506572320983634986622, 34070976661893791443981684233248021868739, 1233585523562342700479004045135835217677228305
OFFSET
3,1
FORMULA
Numerators of sequence a[ 3, n ] in (a[ i, j ])^2 where a[ i, j ] = S(i, j)/BellNumber(i) if j<=i, 0 if j>i.
CROSSREFS
Sequence in context: A135394 A010046 A013517 * A348322 A186284 A119695
KEYWORD
nonn
EXTENSIONS
More terms from Sean A. Irvine, Nov 06 2019
STATUS
approved