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A012350 sec(arcsin(x)*arcsin(x))=1+12/4!*x^4+240/6!*x^6+17808/8!*x^8... 0
1, 0, 12, 240, 17808, 1637760, 242818752, 48180857088, 12774673068288, 4307001787772928, 1807577755864845312, 922535092598044569600, 562968743814613569146880, 404689929495830909079552000 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

CROSSREFS

Sequence in context: A012349 A012302 A012543 * A126687 A064749 A009472

Adjacent sequences:  A012347 A012348 A012349 * A012351 A012352 A012353

KEYWORD

nonn

AUTHOR

Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)

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Last modified February 17 14:50 EST 2012. Contains 206050 sequences.