A082526 Denominators of coefficients in (1+x)^(1+x) power series.

1, 1, 1, 2, 3, 12, 40, 120, 2520, 5040, 10080, 5040, 19958400, 19958400, 259459200, 518918400, 2179457280, 4358914560, 1235025792000, 3705077376000, 422378820864000, 52797352608000, 120679663104000, 844757641728000

Offset

0,4

Links

Table of n, a(n) for n=0..23.

Mathematica

Denominator[CoefficientList[Series[(1+x)^(1+x), {x, 0, 30}], x]] (* Harvey P. Dale, Dec 31 2015 *)

Prog

(PARI) a(n)=denominator(polcoeff((1+x)^(1+x)+O(x^(n+1)), n))

Crossrefs

Sequence in context: A012515 A012510 A012310 * A151368 A087650 A177699

Adjacent sequences: A082523 A082524 A082525 * A082527 A082528 A082529

Keyword

frac,nonn

Author

Benoit Cloitre, Apr 30 2003

Status

approved