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A012377 arcsin(tan(x)*arcsin(x))=2/2!*x^2+12/4!*x^4+310/6!*x^6+15960/8!*x^8... 0
2, 12, 310, 15960, 1517098, 224269540, 48197922526, 14130438821296, 5428021401209682, 2643726413982309052, 1592189299187949292422, 1161629303960888128771592, 1009558061720938140021739386 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..12.

CROSSREFS

Sequence in context: A009669 A202729 A012380 * A012425 A012422 A122767

Adjacent sequences:  A012374 A012375 A012376 * A012378 A012379 A012380

KEYWORD

nonn

AUTHOR

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

STATUS

approved

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Last modified November 13 11:09 EST 2018. Contains 317133 sequences. (Running on oeis4.)