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A110120 Numerators in expansion of 1/sqrt(1-x-x^2*c(x^2)), c(x) the g.f. of A000108. 0
1, 1, 7, 17, 267, 775, 6243, 19633, 638323, 2102347, 17152089, 58229847, 951653279, 3301081251, 26990925403, 95148784113, 6224368757699, 22220020945651, 181665332610589, 655103413921211, 10708565920929733, 38938378760273881 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Numerators in expansion of sqrt(g(x)), where g(x) is the g.f. of A001405. Denominators are A046161.

LINKS

Table of n, a(n) for n=0..21.

CROSSREFS

Sequence in context: A178694 A140122 A092240 * A201305 A053584 A077715

Adjacent sequences:  A110117 A110118 A110119 * A110121 A110122 A110123

KEYWORD

easy,nonn,frac

AUTHOR

Paul Barry, Jul 13 2005

STATUS

approved

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Last modified May 12 23:09 EDT 2021. Contains 343829 sequences. (Running on oeis4.)