A024240 Expansion of sinh(tan(x)*sin(x))/2.

0, 1, 2, 91, 2372, 143701, 10747142, 1132171951, 152301477512, 25800360972841, 5348814821116682, 1332632715902647171, 392573725636686549452, 134927559493661390268541, 53491568469269101671902222

Offset

0,3

Links

Table of n, a(n) for n=0..14.

Mathematica

Sinh[ Tan[ x ]*Sin[ x ] ]/2 (* Even Part *)

Crossrefs

A009609.

Sequence in context: A138583 A193747 A242176 * A266653 A116162 A116293

Adjacent sequences: A024237 A024238 A024239 * A024241 A024242 A024243

Keyword

nonn

Author

R. H. Hardin

Extensions

Extended and signs tested 03/97.

Status

approved