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A185998 Expansion of 1/(1-x-x^2/(1-2x-3x^2/(1-4x-5x^2/(1-6x-7x^2/(1-8x-9x^2/(1-.... (continued fraction). 2
1, 1, 2, 5, 16, 64, 308, 1727, 11008, 78244, 611060, 5184338, 47366320, 462782080, 4807659368, 52853722811, 612426360832, 7453621425532, 94997205901940, 1264555335831662, 17540102647480336, 252979919852470672, 3786896497867089656, 58733519954606892278, 942372338052077455168 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

First column of A185997. Moment sequence for orthogonal polynomials of A185996. Hankel transform is A057863.

LINKS

Table of n, a(n) for n=0..24.

FORMULA

G.f.: 1/(1-x/(1-x/(1-x/(1-3x/(1-x/(1-5x/(1-x/(1-7x/(1-x/(1-9x/(1-... (continued fraction).

CROSSREFS

Cf. A178119.

Sequence in context: A000112 A205498 A178119 * A127083 A131178 A003149

Adjacent sequences:  A185995 A185996 A185997 * A185999 A186000 A186001

KEYWORD

nonn,easy

AUTHOR

Paul Barry, Feb 08 2011

STATUS

approved

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Last modified May 21 19:04 EDT 2013. Contains 225504 sequences.