Definition:Heptagonal Pyramidal Number/Sequence

From ProofWiki
Jump to navigation Jump to search

Sequence of Heptagonal Pyramidal Numbers

The sequence of heptagonal pyramidal numbers begins as follows:

$0, 1, 8, 26, 60, 115, 196, 308, 456, 645, 880, 1166, 1508, 1911, 2380, \ldots$

This sequence is A002413 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008).