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A142883
a(n) = A142590(n)/3.
2
0, 7, 5, 39, 4, 95, 33, 175, 14, 279, 85, 407, 30, 559, 161, 735, 52, 935, 261, 1159, 80, 1407, 385, 1679, 114, 1975, 533, 2295, 154, 2639, 705, 3007, 200, 3399, 901, 3815, 252, 4255, 1121, 4719, 310, 5207, 1365, 5719, 374, 6255, 1633, 6815, 444, 7399, 1925, 8007
OFFSET
0,2
MAPLE
A061037 := proc(n) 1/4-1/n^2 ; numer(%) ; end: A142590 := proc(n) A061037(2+3*n) ; end:
A142883 := proc(n) A142590(n)/3 ; end: seq(A142883(n), n=0..120) ; # R. J. Mathar, Sep 07 2009
CROSSREFS
Sequence in context: A328758 A070426 A341431 * A146382 A376083 A163742
KEYWORD
nonn,easy
AUTHOR
Paul Curtz, Sep 28 2008
EXTENSIONS
Edited and extended by R. J. Mathar, Sep 07 2009
STATUS
approved