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A012577
cos(arcsinh(x)*log(x+1))=1-12/4!*x^4+60/5!*x^5-210/6!*x^6+1260/7!*x^7...
0
1, 0, 0, 0, -12, 60, -210, 1260, -11088, 78624, -476520, 4469520, -59173752, 609811488, -4917756480, 63884751840, -1229990362368, 16261478914944, -136911418778304, 2226347294914944, -65132012907161472
OFFSET
0,5
CROSSREFS
Sequence in context: A012289 A012583 A009049 * A009148 A012581 A012288
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved