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A012099 exp(arcsin(sinh(x)))=1+x+1/2!*x^2+3/3!*x^3+9/4!*x^4+41/5!*x^5... 0
1, 1, 1, 3, 9, 41, 201, 1403, 9649, 90641, 809201, 9578803, 105268089, 1504717241, 19650225401, 329275068203, 4982657935329, 95780865239841, 1648151554792801, 35749976635509603, 689411371817131369 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

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

CROSSREFS

Sequence in context: A325289 A274739 A012246 * A159039 A074502 A109743

Adjacent sequences:  A012096 A012097 A012098 * A012100 A012101 A012102

KEYWORD

nonn

AUTHOR

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

STATUS

approved

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Last modified July 2 18:27 EDT 2022. Contains 355029 sequences. (Running on oeis4.)