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Search: id:A084631
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A084631 Floor(C(n+8,8)/C(n+2,2)). +0
2
1, 3, 7, 16, 33, 61, 107, 178, 286, 442, 663, 969, 1384, 1938, 2664, 3605, 4807, 6325, 8222, 10571, 13455, 16965, 21206, 26295, 32364, 39556, 48032, 57970, 69564, 83028, 98595, 116522, 137085, 160585, 187349, 217730, 252109, 290895, 334529, 383484 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n)=floor(n^6/20160+11n^5/6720+89n^4/4032+209n^3/1344+6077n^2/10080+341n/280)+1

CROSSREFS

Cf. A084626.

Sequence in context: A110585 A000412 A161810 this_sequence A002936 A014668 A054455

Adjacent sequences: A084628 A084629 A084630 this_sequence A084632 A084633 A084634

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Jun 01 2003

page 1

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


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