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A088793 G.f. satisfies: A(x)*(1-x) = 1 + x^2*A(x*A(x)). 0
1, 1, 2, 3, 6, 15, 43, 135, 462, 1708, 6752, 28302, 125036, 579709, 2811084, 14216095, 74788529, 408388370, 2310191935, 13514877249, 81639455600, 508524173808, 3262111727548, 21525758405136, 145957394683691, 1015949479338974 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..25.

CROSSREFS

Sequence in context: A120589 A110181 A141351 * A322197 A216144 A121688

Adjacent sequences:  A088790 A088791 A088792 * A088794 A088795 A088796

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Oct 16 2003

STATUS

approved

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Last modified May 12 13:02 EDT 2021. Contains 343823 sequences. (Running on oeis4.)