A032102 Number of dyslexic identity rooted planar trees with n nodes.

1, 1, 1, 2, 3, 7, 18, 48, 133, 373, 1054, 3011, 8678, 25216, 73801, 217476, 644554, 1920718, 5750807, 17293653, 52208550, 158179651, 480806995, 1465841157, 4481166838, 13733815975, 42189399220, 129883408346

Offset

1,4

Links

Table of n, a(n) for n=1..28.

C. G. Bower, Transforms (2)

Index entries for sequences related to rooted trees

Formula

"DHK" (bracelet, identity, unlabeled) transform of A032101 (shifted right one place).

Crossrefs

Sequence in context: A343358 A002864 A005248 * A100388 A186232 A160181

Adjacent sequences: A032099 A032100 A032101 * A032103 A032104 A032105

Keyword

nonn

Author

Christian G. Bower

Status

approved