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A032235 Number of dyslexic rooted compound windmills with n nodes where any 2 submills extending from the same node are different. 1
1, 1, 1, 2, 3, 6, 12, 25, 52, 113, 251, 560, 1268, 2896, 6680, 15527, 36301, 85364, 201747, 479040, 1141953, 2732737, 6560655, 15799567, 38154309, 92378578, 224192754, 545292987, 1328985026, 3245140686, 7938052589 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

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

C. G. Bower, Transforms (2)

Index entries for sequences related to mobiles

FORMULA

Shifts left under "DGK" (bracelet, element, unlabeled) transform.

PROG

(PARI)

DGK(v)={apply(p->subst(serlaplace(p/y + polcoeff(p, 1) + polcoeff(p, 2)), y, 1)/2, Vec(prod(k=1, #v, (1 + x^k*y + O(x*x^#v))^v[k])-1, -#v))}

seq(n)={my(v=[1]); for(i=2, n, v=concat([1], DGK(v))); v} \\ Andrew Howroyd, Sep 20 2018

CROSSREFS

Sequence in context: A116379 A116380 A004111 * A192805 A162985 A052523

Adjacent sequences:  A032232 A032233 A032234 * A032236 A032237 A032238

KEYWORD

nonn

AUTHOR

Christian G. Bower

STATUS

approved

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Last modified October 22 14:36 EDT 2018. Contains 316486 sequences. (Running on oeis4.)