A009326 Expansion of log(1+sin(log(1+x))).

0, 1, -2, 6, -25, 134, -880, 6850, -61710, 631900, -7251860, 92223700, -1287629000, 19584800000, -322377088800, 5710388153600, -108314656606000, 2190568370666000, -47056598218474000, 1070057252339998000

Offset

0,3

Links

Table of n, a(n) for n=0..19.

Mathematica

Log[ 1+Sin[ Log[ 1+x ] ] ]

Crossrefs

Sequence in context: A020112 A317022 A143917 * A001258 A247499 A124373

Adjacent sequences: A009323 A009324 A009325 * A009327 A009328 A009329

Keyword

sign,easy

Author

R. H. Hardin

Extensions

Extended with signs by Olivier Gérard, Mar 15 1997

Status

approved