

A032101


Number of dyslexic identity planted planar trees with n+1 nodes.


2



1, 1, 1, 2, 4, 11, 28, 78, 212, 598, 1686, 4841, 13975, 40777, 119698, 353905, 1051948, 3143582, 9436033, 28443340, 86055366, 261253380, 795587214, 2429692385, 7439569568, 22834518491, 70243063795, 216527666056
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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 rooted trees


FORMULA

Shifts left under "BHK" (reversible, identity, unlabeled) transform


PROG

(PARI)
BHK(p)={p + (1/(1p)  (1+p)/subst(1p, x, x^2))/2}
seq(n)={my(p=O(1)); for(i=1, n, p=1+BHK(x*p)); Vec(p)} \\ Andrew Howroyd, Aug 30 2018


CROSSREFS

Sequence in context: A108629 A007048 A148132 * A005200 A148133 A148134
Adjacent sequences: A032098 A032099 A032100 * A032102 A032103 A032104


KEYWORD

nonn,eigen


AUTHOR

Christian G. Bower


STATUS

approved



