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Search: id:A001256
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A001256 Squares of numbers of trees. +0
1
1, 1, 1, 1, 4, 9, 36, 121, 529, 2209, 11236, 55225, 303601, 1692601, 9979281, 59923081, 373262400, 2364779641, 15343033689, 101095382025, 677435994225, 4598901695025, 31626631547536, 219871778549476 (list; graph; listen)
OFFSET

0,5
LINKS

Index entries for sequences related to trees

CROSSREFS

Cf. A000055.

Sequence in context: A133125 A126161 A018224 this_sequence A029997 A118548 A077211

Adjacent sequences: A001253 A001254 A001255 this_sequence A001257 A001258 A001259

KEYWORD

nonn

AUTHOR

njas

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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