A009465 Expansion of sin(log(1+x)/cos(x)).

0, 1, -1, 4, -6, 5, 195, -2704, 29652, -331843, 3601035, -41849436, 488807814, -6056793535, 75941139183, -991400372208, 12952602361800, -170364782863687, 2130756803110071, -23615067306171612, 149846016306473010

Offset

0,4

Links

Table of n, a(n) for n=0..20.

Mathematica

Sin[ Log[ 1+x ]/Cos[ x ] ]

Crossrefs

Sequence in context: A274929 A301915 A009456 * A324942 A199161 A373793

Adjacent sequences: A009462 A009463 A009464 * A009466 A009467 A009468

Keyword

sign,easy

Author

R. H. Hardin

Extensions

Extended with signs by Olivier Gérard, Mar 15 1997

Status

approved