A033702 Number of polygonal numbers which are n-digit repdigits.

17, 27, 32, 28, 26, 37, 26, 29, 35, 28, 27, 38, 29, 29, 34, 33, 26, 37, 26, 31, 35, 27, 26, 36, 27, 31, 36, 29, 28, 37, 26, 30, 35, 27, 27, 41, 26, 31, 34, 29, 27, 38, 27, 31, 40, 29, 27, 37, 28, 29

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: A166658 A268330 A221282 * A000797 A171168 A147202

Adjacent sequences: A033699 A033700 A033701 * A033703 A033704 A033705

Keyword

nonn,base

Author

Mike Keith

Status

approved