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A038038 Number of labeled dyslexic rooted compound windmills with n nodes. 2
1, 2, 9, 64, 635, 8142, 128394, 2405784, 52237296, 1289735280, 35680244490, 1093124356560, 36734913680244, 1343439671120904, 53111942243599680, 2256996523715952480, 102589277119862240160, 4966450613410762025280, 255110144003301741908832 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Andrew Howroyd, Table of n, a(n) for n = 1..200

Index entries for sequences related to mobiles

FORMULA

Divides by n and shifts left under "DIJ" (bracelet, indistinct, labeled) transform.

E.g.f: series reversion of 2*x/(2 + x + x^2/2 - log(1-x)). - Andrew Howroyd, Sep 19 2018

PROG

(PARI) Vec(serlaplace(serreverse(2*x/(2 + x + x^2/2 - log(1-x + O(x^20)))))) \\ Andrew Howroyd, Sep 19 2018

CROSSREFS

Cf. A032289.

Sequence in context: A000169 A112319 A232552 * A048801 A152915 A168383

Adjacent sequences:  A038035 A038036 A038037 * A038039 A038040 A038041

KEYWORD

nonn,eigen

AUTHOR

Christian G. Bower

EXTENSIONS

Terms a(17) and beyond from Andrew Howroyd, Sep 19 2018

STATUS

approved

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Last modified October 20 04:37 EDT 2018. Contains 316378 sequences. (Running on oeis4.)