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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
M. Keith, On Repdigit Polygonal Numbers, J. Integer Sequences, Vol. 1, 1998, #6.
CROSSREFS
Cf. A033708.
Sequence in context: A134509 A062712 A224719 * A067707 A166146 A229235
KEYWORD
nonn,base
AUTHOR
Mike Keith (domnei(AT)aol.com)
STATUS
approved

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Last modified May 19 14:45 EDT 2024. Contains 372698 sequences. (Running on oeis4.)