A142883 a(n) = A142590(n)/3.

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

Author

Paul Curtz, Sep 28 2008

Keywords

• nonn
• easy

Programs

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

Extensions

Edited and extended by R. J. Mathar, Sep 07 2009