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A178129 Partial sums of A050508. 0
0, 2, 8, 23, 47, 87, 147, 224, 328, 463, 623, 821, 1049, 1322, 1644, 2004, 2420, 2896, 3418, 4007, 4647, 5361, 6153, 7004, 7940, 8940, 10032, 11220, 12480, 13843, 15313, 16863, 18527, 20276, 22146, 24141, 26229, 28449, 30767, 33224, 35824, 38530 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Partial sums of golden rectangle numbers. The subsequence

LINKS

Table of n, a(n) for n=0..41.

FORMULA

a(n) = SUM[i=0..n] A050508(i) = SUM[i=0..n] (i*A007067(i)).

EXAMPLE

a(19) = 0 + 2 + 6 + 15 + 24 + 40 + 60 + 77 + 104 + 135 +

CROSSREFS

Cf. A000201, A007064, A026355, A007067, A050508.

Sequence in context: A321068 A158466 A065694 * A203298 A161463 A190021

Adjacent sequences:  A178126 A178127 A178128 * A178130 A178131 A178132

KEYWORD

easy,nonn

AUTHOR

Jonathan Vos Post, May 20 2010

STATUS

approved

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Last modified February 20 20:55 EST 2019. Contains 320345 sequences. (Running on oeis4.)