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

0,3

Links

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

Formula

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

Prog

(MIT/GNU Scheme)
;; with AK's intseq additions:
(define A213706 (PARTIALSUMS 0 0 A071542))

Crossrefs

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

Sequence in context: A145197 A219656 A024169 * A078126 A024206 A159325

Adjacent sequences: A213703 A213704 A213705 * A213707 A213708 A213709

Keyword

nonn,easy

Author

Antti Karttunen, Oct 24 2012

Status

approved