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A119642 Indices of prime numbers of trees with n unlabeled nodes. 2
4, 5, 7, 8, 9, 13, 15, 52, 82, 134, 216, 341, 538, 1414, 17306, 17582 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..16.

FORMULA

A000055(a(n)) = A119641(n). - Amiram Eldar, Apr 22 2018

CROSSREFS

Cf. A000055, A119641.

Sequence in context: A047494 A080712 A005048 * A276705 A168044 A248188

Adjacent sequences:  A119639 A119640 A119641 * A119643 A119644 A119645

KEYWORD

nonn,more

AUTHOR

Jorge Coveiro, Jul 27 2006

EXTENSIONS

Offset changed by Michel Marcus, Apr 22 2018

a(13)-a(16) from Amiram Eldar, Apr 22 2018

STATUS

approved

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Last modified April 21 04:56 EDT 2019. Contains 322310 sequences. (Running on oeis4.)