1,1
M. Keith, On Repdigit Polygonal Numbers, J. Integer Sequences, Vol. 1, 1998, #6.
Cf. A033705-A033707.
Sequence in context: A130626 A115284 A144626 this_sequence A049925 A118114 A076183
Adjacent sequences: A033704 A033705 A033706 this_sequence A033708 A033709 A033710
nonn
Mike Keith (domnei(AT)aol.com)
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