A213706 Partial sums of A071542.

0, 1, 3, 5, 8, 11, 15, 19, 24, 29, 35, 41, 48, 55, 62, 69, 77, 85, 94, 103, 113, 123, 133, 143, 154, 165, 176, 187, 199, 211, 223, 235, 248, 261, 275, 289, 304, 319, 334, 349, 365, 381, 397, 413, 430, 447, 464, 481, 499, 517, 535, 553, 572, 591, 610, 629, 649, 669, 689, 709, 730

Offset: 0

Author

Antti Karttunen, Oct 24 2012

Keywords

• nonn
• easy

Links

• Antti Karttunen, Table of n, a(n) for n = 0..720

Crossrefs

Used to compute A213707. a(n)+1 gives the length of the n-th row in the irregular table A218254.

Formula

a(0)=0, a(n) = a(n-1)+A071542(n)