id:A082038 - OEIS Search Results

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A082038

A square array of quadratic-factorial numbers, read by antidiagonals.

+0
4

1, 1, 1, 1, 3, 2, 1, 7, 14, 6, 1, 13, 42, 78, 24, 1, 21, 86, 258, 504, 120, 1, 31, 146, 546, 1752, 3720, 720, 1, 43, 222, 942, 3768, 13320, 30960, 5040, 1, 57, 314, 1446, 6552, 28920, 113040, 287280, 40320, 1, 73, 422, 2058, 10104, 50520, 246960, 1063440 (list; table; graph; listen)

	OFFSET	`0,5`
	COMMENT	`Rows include A000142, A001564, A082035, A082036.`
	FORMULA	`Square array defined by T(n, k)=((kn)^2+kn+1)n!`
	EXAMPLE	`Rows begin` `1 1 2 6 24 ...` `1 3 14 78 504 ...` `1 7 42 258 1752 ...` `1 13 86 546 3768 ...` `1 21 146 942 6552 ...`
	CROSSREFS	`Cf. A082037, A082039.` `Sequence in context: A134436 A163626 A028246 this_sequence A143774 A158474 A090452` `Adjacent sequences: A082035 A082036 A082037 this_sequence A082039 A082040 A082041`
	KEYWORD	`easy,nonn,tabl`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Apr 02 2003`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research