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Numerators of coefficients in (1+x)^(1+x) power series.
0

%I #9 Apr 30 2022 21:22:02

%S 1,1,1,1,1,1,3,-1,59,-71,131,-53,179063,-152587,1711379,-2976271,

%T 10956347,-19341869,4868569481,-13052168197,1336857226717,

%U -150881331703,312800427143,-1994295576001,1162545732884416477,-1066743770616172283,982084002016960747,-1813863044243307923

%N Numerators of coefficients in (1+x)^(1+x) power series.

%F n! * a(n)/A082526(n) = A005727(n). - _Gerald McGarvey_, Nov 17 2007

%o (PARI) a(n)=numerator(polcoeff((1+x)^(1+x)+O(x^(n+1)),n))

%Y Cf. A082526 (denominators) A005727.

%K frac,sign

%O 0,7

%A _Benoit Cloitre_, Apr 30 2003