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A059616
Numerator of n*(n-1)/(8*(2*n+1)).
1
0, 0, 1, 3, 1, 5, 15, 7, 7, 9, 15, 55, 33, 13, 91, 105, 10, 34, 153, 57, 95, 105, 77, 253, 69, 25, 325, 351, 63, 203, 435, 155, 124, 132, 187, 595, 315, 111, 703, 741, 65, 205, 861, 301, 473, 495, 345, 1081, 282, 98, 1225, 1275, 221, 689, 1431
OFFSET
0,4
MATHEMATICA
Table[(n(n-1))/(8(2n+1)), {n, 0, 60}]//Numerator (* Harvey P. Dale, Jan 16 2023 *)
CROSSREFS
Cf. A059617.
Sequence in context: A215474 A348114 A309498 * A125053 A291665 A181836
KEYWORD
nonn,frac
AUTHOR
N. J. A. Sloane, Feb 18 2001
STATUS
approved