A013286 - OEIS

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A013286

cos(log(x+1)-tanh(x))=1-3/4!*x^4+40/5!*x^5-250/6!*x^6+1008/7!*x^7...

1, 0, 0, 0, -3, 40, -250, 1008, -6307, 77040, -742524, 5642560, -56921887, 809088696, -10450329838, 122609052720, -1712600698983, 28629942196960, -466274068556152, 7411488125575680, -130844029905109723

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,5

LINKS

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

CROSSREFS

Sequence in context: A013255 A013256 A013293 * A013291 A013292 A278379

Adjacent sequences: A013283 A013284 A013285 * A013287 A013288 A013289

KEYWORD

sign

AUTHOR

Patrick Demichel (patrick.demichel(AT)hp.com)

STATUS

approved