A174787 Cumulative sums of A174725.

1, 1, 1, 2, 2, 4, 4, 6, 7, 9, 9, 13, 13, 15, 17, 21, 21, 25, 25, 29, 31, 33, 33, 43, 44, 46, 48, 52, 52, 58, 58, 66, 68, 70, 72, 85, 85, 87, 89, 99, 99, 105, 105, 109, 113, 115, 115, 139, 140, 144, 146, 150, 150, 160, 162, 172, 174, 176, 176, 198, 198, 200, 204, 220, 222

Offset

1,4

Comments

By fitting a second order polynomial in Excel to the 77 first terms we get 0,039x^2+0,8859x-3,5396 with the R-square value 0,9974.

Links

Table of n, a(n) for n=1..65.

Crossrefs

Cf. A174725, A174788, A002321.

Sequence in context: A106247 A337030 A319400 * A094909 A237799 A318029

Adjacent sequences: A174784 A174785 A174786 * A174788 A174789 A174790

Keyword

nonn

Author

Mats Granvik, Mar 29 2010

Status

approved