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Primitive repfigit numbers.
(Formerly M4923)
1

%I M4923 #15 May 12 2017 00:52:32

%S 14,19,47,61,75,197,742,1104,1537,2580,3684,4788,7385,7647,7909,31331,

%T 34285,34348,55604,86935,120284,129106,147640,156146,174680,183186,

%U 298320

%N Primitive repfigit numbers.

%D M. Keith, Repfigit Numbers, J. Recreational Math., Vol. 19, No. 2, pp. 41-42, 1987.

%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

%Y Cf. A007629.

%K nonn,base

%O 1,1

%A _N. J. A. Sloane_.

%E a(19) corrected by _Sean A. Irvine_, May 12 2017