A009339 Expansion of log(1+sin(x)*cosh(x)).

0, 1, -1, 4, -14, 60, -376, 2784, -23344, 225680, -2467456, 29884864, -397908224, 5784292800, -91090625536, 1544557830144, -28061704443904, 543835022577920, -11198060484591616, 244140571254682624, -5618495694469136384

Offset

0,4

Links

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

Mathematica

Log[ 1+Sin[ x ]*Cosh[ x ] ]

Crossrefs

Sequence in context: A349018 A259104 A082033 * A050912 A250399 A149494

Adjacent sequences: A009336 A009337 A009338 * A009340 A009341 A009342

Keyword

sign,easy

Author

R. H. Hardin

Extensions

Extended with signs by Olivier Gérard, Mar 15 1997

Status

approved