A185594 a(n) = floor((n^2+n)^(3/2)-n^3).

1, 6, 14, 25, 39, 56, 76, 98, 124, 153, 185, 220, 258, 299, 343, 389, 439, 492, 548, 607, 669, 734, 802, 872, 946, 1023, 1103, 1186, 1272, 1361, 1453, 1547, 1645, 1746, 1850, 1957, 2067, 2180, 2296, 2414, 2536, 2661, 2789, 2920, 3054, 3191, 3331, 3473, 3619, 3768, 3920, 4075, 4233, 4394

Offset

1,2

Links

G. C. Greubel, Table of n, a(n) for n = 1..5000

Mathematica

Table[Floor[(n^2+n)^(3/2)]-n^3, {n, 1, 80}]

Prog

(PARI) for(n=1, 50, print1(floor((n^2+n)^(3/2)-n^3), ", ")) \\ G. C. Greubel, Jul 08 2017

Crossrefs

Sequence in context: A228435 A317333 A010740 * A095794 A119867 A293400

Adjacent sequences: A185591 A185592 A185593 * A185595 A185596 A185597

Keyword

nonn

Author

Clark Kimberling, Jan 31 2011

Status

approved