A260706 Row sums of A260672.

0, 1, 3, 6, 9, 12, 16, 20, 25, 30, 35, 40, 45, 51, 57, 63, 70, 77, 84, 91, 98, 105, 112, 120, 128, 136, 144, 153, 162, 171, 180, 189, 198, 207, 216, 225, 235, 245, 255, 265, 275, 286, 297, 308, 319, 330, 341, 352, 363, 374, 385, 396, 408, 420, 432, 444, 456

Offset

0,3

Comments

a(n) = Sum(A260672(n,k): k=0..A193832(n)-1);

A193832(n+1) = a(n+1) - a(n);

a(A001318(n+1)) = A212760(n).

Links

Reinhard Zumkeller, Table of n, a(n) for n = 0..10000

Prog

(Haskell)
a260706 = sum . a260672_row

Crossrefs

Cf. A001318, A260672, A193832, A212760.

Sequence in context: A130248 A203302 A214050 * A194199 A072567 A186353

Adjacent sequences: A260703 A260704 A260705 * A260707 A260708 A260709

Keyword

nonn

Author

Reinhard Zumkeller, Nov 17 2015

Status

approved