A033703 Number of polygonal numbers which are repdigits with <= n digits.

17, 44, 76, 104, 130, 167, 193, 222, 257, 285, 312, 350, 379, 408, 442, 475, 501, 538, 564, 595, 630, 657, 683, 719, 746, 777, 813, 842, 870, 907, 933, 963, 998, 1025, 1052, 1093, 1119, 1150, 1184, 1213, 1240, 1278, 1305, 1336, 1376, 1405

Offset

1,1

Comments

Partial sums of A033702. - Michel Marcus, Nov 30 2014

Links

Table of n, a(n) for n=1..46.

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

Crossrefs

Cf. A033702.

Sequence in context: A130467 A112885 A093191 * A227721 A140155 A221752

Adjacent sequences: A033700 A033701 A033702 * A033704 A033705 A033706

Keyword

nonn,base

Author

Mike Keith

Status

approved