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A036243 Denominator of fraction equal to the continued fraction [ 0, 2, 4, ...2n ]. 1
2, 9, 56, 457, 4626, 55969, 788192, 12667041, 228794930, 4588565641, 101177239032, 2432842302409, 63355077101666, 1776375001149057, 53354605111573376, 1709123738571497089, 58163561716542474402, 2095597345534100575561 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

PROG

(PARI) a(n)=contfracpnqn(vector(n+1, i, 2*i-2))[2, 1]  \\ - M. F. Hasler, Feb 08 2011

CROSSREFS

Cf. A036242.

Sequence in context: A158883 A052860 A052840 * A179505 A033917 A004103

Adjacent sequences:  A036240 A036241 A036242 * A036244 A036245 A036246

KEYWORD

frac,nonn

AUTHOR

Jeff Burch (gburch(AT)erols.com)

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Last modified February 16 09:00 EST 2012. Contains 205904 sequences.