A024250 Expansion of tan(x)*sin(sinh(x))/2.

0, 1, 4, 24, 416, 17152, 996352, 74691456, 7245522944, 896234266624, 137930480164864, 25825353123102720, 5777805863334576128, 1522101710704028188672, 466366128918332878225408

Offset

0,3

Links

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

Mathematica

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

Crossrefs

Cf. A009741.

Sequence in context: A361054 A196687 A185457 * A167140 A010572 A247737

Adjacent sequences: A024247 A024248 A024249 * A024251 A024252 A024253

Keyword

nonn

Author

R. H. Hardin

Extensions

Extended and signs tested 03/97.

Status

approved