id:A126440 - OEIS Search Results

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Triangular array read by rows: related to A053445 and A060351 with row sums A000142 (which counts permutations of n objects).

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1, 0, 2, 0, 2, 4, 0, 3, 13, 8, 0, 4, 42, 58, 16, 0, 5, 118, 344, 221, 32 (list; table; graph; listen)

	OFFSET	`1,3`
	COMMENT	`A060351 relates permutations to numeric partitions. Diagonal 1 2 4 8 16 32 ... A000079 sums triangle A007318 and is related to hook partitions. Diagonal 2 13 58 221 ... sums 2 10 34 98 ... related to partition 2+2 3 20 85 ... related to 3+3 4 33 ... related to 4+4 5 ... related to 5+5 etc.`
	EXAMPLE	`The array begins` `1` `0 2` `0 2 4` `0 3 13 8` `0 4 42 58 16` `0 5 118 344 221 32`
	CROSSREFS	`Cf. A000041 A000142 A053445 A059797 A060351 A091307.` `Sequence in context: A061930 A141660 A115273 this_sequence A131186 A137320 A137312` `Adjacent sequences: A126437 A126438 A126439 this_sequence A126441 A126442 A126443`
	KEYWORD	`nonn,tabl`
	AUTHOR	`Alford Arnold (Alford1940(AT)aol.com), Jan 13 2007`

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Last modified December 19 21:04 EST 2009. Contains 171054 sequences.