A033709 - OEIS

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A033709

Number of simple repdigit polyhedral numbers with <=n digits.

0

15, 36, 57, 81, 102, 124, 148, 172, 194, 218, 239, 261, 285, 309, 331, 356, 377, 399, 423, 448, 471, 495, 516, 538, 563, 587, 609, 634, 655, 677, 701, 725, 747, 771, 792, 815, 839, 864, 887, 912, 933, 955, 979, 1005, 1028, 1052, 1073, 1095

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Partial sums of A033708. - Michel Marcus, Nov 30 2014

LINKS

Table of n, a(n) for n=1..48.

M. Keith, On Repdigit Polygonal Numbers, J. Integer Sequences, Vol. 1, 1998, #6.

CROSSREFS

Sequence in context: A134509 A062712 A224719 * A067707 A166146 A229235

Adjacent sequences: A033706 A033707 A033708 * A033710 A033711 A033712

KEYWORD

nonn,base

AUTHOR

STATUS

approved