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A068918 Denominators of coefficients in 1/sin(x)-1/sinh(x) power series. 1
3, 7560, 1710720, 18681062400, 1277273554292736000, 71944387956080640000, 46533630129992957952000000, 189947572911510017089460502528000000, 161800949418855027866798653440000000 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Cf. A068917.

Sequence in context: A134776 A062595 A128147 * A158036 A171363 A055379

Adjacent sequences:  A068915 A068916 A068917 * A068919 A068920 A068921

KEYWORD

easy,frac,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 29 2002

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Last modified February 15 17:13 EST 2012. Contains 205828 sequences.