A322653 Numbers that are sums of consecutive octagonal pyramidal numbers (A002414).

0, 1, 9, 10, 30, 39, 40, 70, 100, 109, 110, 135, 205, 231, 235, 244, 245, 364, 366, 436, 466, 475, 476, 540, 595, 730, 765, 800, 830, 839, 840, 904, 1045, 1135, 1270, 1305, 1340, 1370, 1379, 1380, 1386, 1669, 1794, 1810, 1900, 2035, 2105, 2135, 2144, 2145, 2275, 2350, 2431, 2714

Offset

1,3

Links

Table of n, a(n) for n=1..54.

Eric Weisstein's World of Mathematics, Pyramidal Number

Crossrefs

Cf. A002414, A002419, A320728, A321450, A322468, A322479, A322637, A322651, A322652.

Sequence in context: A042635 A045483 A007252 * A322465 A353600 A119209

Adjacent sequences: A322650 A322651 A322652 * A322654 A322655 A322656

Keyword

nonn

Author

Ilya Gutkovskiy, Dec 21 2018

Status

approved