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A082045 Diagonal sums of number array A082043. +0
5
1, 2, 6, 20, 59, 150, 336, 680, 1269, 2218, 3674, 5820, 8879, 13118, 18852, 26448, 36329, 48978, 64942, 84836, 109347, 139238, 175352, 218616, 270045, 330746, 401922, 484876, 581015, 691854, 819020, 964256, 1129425, 1316514, 1527638 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n)=(n^5+10n^3+19n+30)/30

CROSSREFS

Cf. A082047.

Sequence in context: A045655 A110295 A027294 this_sequence A005628 A000620 A081251

Adjacent sequences: A082042 A082043 A082044 this_sequence A082046 A082047 A082048

KEYWORD

easy,nonn

AUTHOR

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

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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