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A081861
(1/24)*(sigma_3(2n-1)-sigma_1(2n-1)).
1
0, 1, 5, 14, 31, 55, 91, 146, 204, 285, 400, 506, 655, 850, 1015, 1240, 1552, 1804, 2109, 2562, 2870, 3311, 3971, 4324, 4914, 5730, 6201, 6990, 8000, 8555, 9455, 10846, 11536, 12529, 14192, 14910, 16206, 18371, 19088, 20540, 22990, 23821, 25794
OFFSET
1,3
LINKS
MATHEMATICA
Table[(DivisorSigma[3, 2n-1]-DivisorSigma[1, 2n-1])/24, {n, 50}] (* Harvey P. Dale, Dec 15 2012 *)
CROSSREFS
Sequence in context: A070129 A359192 A359229 * A372636 A299903 A299276
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Apr 11 2003
STATUS
approved