A024251 Expansion of tan(x)*sinh(sin(x))/2.

0, 1, 4, 24, 864, 30592, 1553920, 117742464, 11397335040, 1412290109440, 217673365676032, 40748299759681536, 9116312439290462208, 2401574168877397737472, 735827858439672282087424

Offset

0,3

Links

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

Mathematica

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

Crossrefs

A009745.

Sequence in context: A326794 A223005 A009043 * A193484 A024252 A368141

Adjacent sequences: A024248 A024249 A024250 * A024252 A024253 A024254

Keyword

nonn

Author

R. H. Hardin

Extensions

Extended and signs tested 03/97.

Status

approved