id:A001257 - OEIS Search Results

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Squares of numbers of rooted trees.

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1, 1, 4, 16, 81, 400, 2304, 13225, 81796, 516961, 3392964, 22714756, 155900196, 1087218729, 7710771721, 55404215161, 403030713409, 2962388303281, 21983682632976, 164512124707984, 1240577449436224 (list; graph; listen)

	OFFSET	`0,3`
	LINKS	`Index entries for sequences related to rooted trees`
	CROSSREFS	`Cf. A000081.` `Sequence in context: A003471 A002777 A118997 this_sequence A133053 A110378 A076997` `Adjacent sequences: A001254 A001255 A001256 this_sequence A001258 A001259 A001260`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research