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A015224 Even pentagonal pyramidal numbers. 4
0, 6, 18, 40, 126, 196, 288, 550, 726, 936, 1470, 1800, 2176, 3078, 3610, 4200, 5566, 6348, 7200, 9126, 10206, 11368, 13950, 15376, 16896, 20230, 22050, 23976, 28158, 30420, 32800, 37926, 40678, 43560, 49726, 53016, 56448, 63750, 67626, 71656 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

Eric Weisstein's World of Mathematics, Pentagonal Pyramidal Number

CROSSREFS

Cf. A002411, A014800, A015223, A014799.

Sequence in context: A002411 A023658 A059834 * A163983 A191829 A023620

Adjacent sequences:  A015221 A015222 A015223 * A015225 A015226 A015227

KEYWORD

nonn,easy

AUTHOR

Mohammad K. Azarian (ma3(AT)evansville.edu)

EXTENSIONS

More terms from Patrick De Geest (pdg(AT)worldofnumbers.com), 7/99.

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Last modified February 17 10:57 EST 2012. Contains 206009 sequences.