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A071252 n*(n-1)*(n^2+1)/2. +0
1
0, 0, 5, 30, 102, 260, 555, 1050, 1820, 2952, 4545, 6710, 9570, 13260, 17927, 23730, 30840, 39440, 49725, 61902, 76190, 92820, 112035, 134090, 159252, 187800, 220025, 256230, 296730, 341852, 391935, 447330, 508400, 575520, 649077, 729470, 817110, 912420 (list; graph; listen)
OFFSET

0,3

REFERENCES

T. A. Gulliver, Sequences from Arrays of Integers, Int. Math. Journal, Vol. 1, No. 4, pp. 323-332, 2002.

CROSSREFS

Sequence in context: A152745 A164015 A128302 this_sequence A030506 A062990 A018213

Adjacent sequences: A071249 A071250 A071251 this_sequence A071253 A071254 A071255

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Jun 12 2002

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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