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A033703 Number of polygonal numbers which are repdigits with <= n digits. 0

%I #16 Nov 30 2014 04:42:43

%S 17,44,76,104,130,167,193,222,257,285,312,350,379,408,442,475,501,538,

%T 564,595,630,657,683,719,746,777,813,842,870,907,933,963,998,1025,

%U 1052,1093,1119,1150,1184,1213,1240,1278,1305,1336,1376,1405

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

%C Partial sums of A033702. - _Michel Marcus_, Nov 30 2014

%H M. Keith, <a href="http://www.cs.uwaterloo.ca/journals/JIS/keith.html">On Repdigit Polygonal Numbers</a>, J. Integer Sequences, Vol. 1, 1998, #6.

%Y Cf. A033702.

%K nonn,base

%O 1,1

%A Mike Keith (domnei(AT)aol.com)

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Last modified April 14 00:20 EDT 2024. Contains 371652 sequences. (Running on oeis4.)