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A082047 Diagonal sums of number array A082046. +0
6
1, 2, 7, 24, 69, 170, 371, 736, 1353, 2338, 3839, 6040, 9165, 13482, 19307, 27008, 37009, 49794, 65911, 85976, 110677, 140778, 177123, 220640, 272345, 333346, 404847, 488152, 584669, 695914, 823515, 969216, 1134881, 1322498, 1534183 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n)=(n^5+15n^3+14n+30)/30

CROSSREFS

Cf. A082045, A082107.

Sequence in context: A075062 A022497 A054128 this_sequence A129020 A024024 A027122

Adjacent sequences: A082044 A082045 A082046 this_sequence A082048 A082049 A082050

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Apr 03 2003

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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