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A283679 G.f.: F(F(F(x))) where F(x) = x/(1-x-x^2) is the g.f. for the Fibonacci numbers. 2
0, 1, 3, 12, 48, 197, 815, 3391, 14153, 59185, 247791, 1038186, 4351706, 18245861, 76514483, 320899470, 1345931153, 5645394769, 23679726926, 99326654214, 416638208001, 1747652017025, 7330817809523, 30750407615699, 128988186902345, 541064919671773, 2269598571509748, 9520261251293028 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..27.

MAPLE

f:= x-> x/(1-x-x^2):

a:= n-> coeff(series(f(f(f(x))), x, n+1), x, n):

seq(a(n), n=0..23);

CROSSREFS

Sequence in context: A113956 A323261 A103943 * A165328 A142873 A301578

Adjacent sequences:  A283676 A283677 A283678 * A283680 A283681 A283682

KEYWORD

nonn,easy

AUTHOR

Oboifeng Dira, Mar 14 2017

EXTENSIONS

Edited by N. J. A. Sloane, Apr 21 2017

STATUS

approved

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Last modified March 2 08:39 EST 2021. Contains 341745 sequences. (Running on oeis4.)