login
A291803
Partial sums of A230625.
2
1, 3, 6, 16, 21, 32, 39, 50, 64, 85, 96, 139, 152, 175, 204, 224, 241, 287, 306, 391, 422, 465, 488, 535, 557, 602, 617, 704, 733, 826, 857, 878, 937, 1018, 1065, 1239, 1276, 1359, 1420, 1513, 1554, 1649, 1692, 1863, 1980, 2067, 2114, 2197, 2227, 2313, 2426
OFFSET
1,2
COMMENTS
Although A230625 is a very irregular function, here the graph is much smoother, and it appears that a(n) approx= 1.2*n^2. It would be nice to have a more precise estimate.
LINKS
MATHEMATICA
A230625 = Cases[Import["https://oeis.org/A230625/b230625.txt", "Table"], {_, _}][[All, 2]];
Accumulate[A230625] (* Robert Price, Mar 16 2020 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Sep 06 2017
STATUS
approved