A013238 cos(log(x+1)-tan(x))=1-3/4!*x^4-90/6!*x^6+168/7!*x^7-4515/8!*x^8...

1, 0, 0, 0, -3, 0, -90, 168, -4515, 22176, -367164, 3056240, -44886303, 514017504, -7678036366, 108246861240, -1737483795047, 28423328341696, -499635179800312, 9187861099329504, -177412155709129435

Offset

0,5

Links

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

Crossrefs

Sequence in context: A276909 A276910 A013245 * A013243 A013244 A322458

Adjacent sequences: A013235 A013236 A013237 * A013239 A013240 A013241

Keyword

sign

Author

Patrick Demichel

Status

approved