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A032267 "DIJ" (bracelet, indistinct, labeled) transform of 2,1,1,1,... 1
1, 2, 5, 15, 84, 715, 7973, 107800, 1703453, 30771149, 625350597, 14120901982, 350747144465, 9504174989803, 278995251177113, 8819904482341820, 298740549795954189, 10793273784602715481, 414325010484102619421 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Andrew Howroyd, Table of n, a(n) for n = 0..200

C. G. Bower, Transforms (2)

FORMULA

E.g.f.: 1 + (g(x) + g(x)^2/2 - log(1-g(x)))/2 where g(x) = exp(x) + x - 1. - Andrew Howroyd, Sep 12 2018

PROG

(PARI) seq(n)={my(p=exp(x + O(x*x^n))+x-1); Vec(1 + serlaplace(p + p^2/2 - log(1-p))/2)} \\ Andrew Howroyd, Sep 12 2018

CROSSREFS

Sequence in context: A133645 A090130 A090140 * A191477 A196196 A266573

Adjacent sequences:  A032264 A032265 A032266 * A032268 A032269 A032270

KEYWORD

nonn

AUTHOR

Christian G. Bower

EXTENSIONS

a(0)=1 prepended by Andrew Howroyd, Sep 12 2018

STATUS

approved

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Last modified October 19 03:36 EDT 2018. Contains 316330 sequences. (Running on oeis4.)