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A301412 G.f. A(x) satisfies: A(x) = 1/(1 - x*A(x)/(1 - x*A(x)/(1 - x^2*A(x)/(1 - x^2*A(x)/(1 - x^3*A(x)/(1 - x^3*A(x)/(1 - ...))))))), a continued fraction. 1
1, 1, 3, 11, 46, 205, 957, 4614, 22803, 114898, 588052, 3048612, 15975922, 84489890, 450363757, 2417104782, 13050778500, 70841037919, 386357165119, 2116097719571, 11634392901981, 64188480019008, 355255552604237, 1971866447509917, 10973973061151433, 61222237473973758 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

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

EXAMPLE

G.f. A(x) = 1 + x + 3*x^2 + 11*x^3 + 46*x^4 + 205*x^5 + 957*x^6 + 4614*x^7 + 22803*x^8 + 114898*x^9 + ...

CROSSREFS

Cf. A006958, A088368, A192728.

Sequence in context: A151137 A151138 A151139 * A198413 A151140 A271959

Adjacent sequences:  A301409 A301410 A301411 * A301413 A301414 A301415

KEYWORD

nonn

AUTHOR

Ilya Gutkovskiy, Mar 20 2018

STATUS

approved

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Last modified October 20 02:18 EDT 2019. Contains 328244 sequences. (Running on oeis4.)