id:A132622 - OEIS Search Results

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Column 1 of triangle A132620.

+0
3

1, 1, 4, 30, 350, 5740, 123536, 3321624, 107639880, 4092614350, 178857328760, 8840820912456, 487923356530428, 29751272243893424, 1986797438749089240, 144242973684381865448, 11313546753639061322478, 953480924215847114528412 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Triangle T=A132620 is defined by: antidiagonal k of T = antidiagonal k-1 of T^k (after appending '1' for even k) for k>0, with T(n,n)=1 for n>=0.`
	CROSSREFS	`Cf. A132620 (triangle), A132621 (column 0).` `Sequence in context: A099712 A052316 A089918 this_sequence A118792 A137341 A120338` `Adjacent sequences: A132619 A132620 A132621 this_sequence A132623 A132624 A132625`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Aug 24 2007`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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