Definition:Hexagonal Pyramidal Number/Sequence

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Sequence of Hexagonal Pyramidal Numbers

The sequence of hexagonal pyramidal numbers begins as follows:

$0, 1, 7, 22, 50, 95, 161, 252, 372, 525, 715, 946, 1222, 1547, 1925, 2360, 2856, \ldots$

This sequence is A002412 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008).