A033708 Number of simple repdigit polyhedral numbers with n digits.

15, 21, 21, 24, 21, 22, 24, 24, 22, 24, 21, 22, 24, 24, 22, 25, 21, 22, 24, 25, 23, 24, 21, 22, 25, 24, 22, 25, 21, 22, 24, 24, 22, 24, 21, 23, 24, 25, 23, 25, 21, 22, 24, 26, 23, 24, 21, 22, 25, 24

Offset

1,1

Links

Table of n, a(n) for n=1..50.

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

Crossrefs

Sequence in context: A043905 A072310 A166645 * A343821 A294171 A373575

Adjacent sequences: A033705 A033706 A033707 * A033709 A033710 A033711

Keyword

nonn,base

Author

Mike Keith

Status

approved