A090539 - OEIS

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A090539

Total number of parts equal to 1 in all plane partitions of n.

1, 4, 11, 28, 62, 137, 278, 561, 1080, 2051, 3778, 6885, 12255, 21589, 37409, 64160, 108612 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	MATHEMATICA	`Table[Count[Flatten[planepartitions[k]], 1], {k, 17}]`
	CROSSREFS	`Cf. A066633.` `Sequence in context: A014151 A176759 A096124 * A113478 A056601 A003230` `Adjacent sequences: A090536 A090537 A090538 * A090540 A090541 A090542`
	KEYWORD	`nonn`
	AUTHOR	`Wouter Meeussen (wouter.meeussen(AT)pandora.be), Feb 01 2004`

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Last modified February 16 09:27 EST 2012. Contains 205904 sequences.