cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A155480 Composites n with identical largest digits of n and n-th prime.

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%I A155480 #4 Mar 30 2012 18:52:32
%S A155480 14,30,32,54,56,74,92,94,95,116,138,148,159,169,189,196,208,209,213,
%T A155480 217,224,245,247,249,261,270,272,273,275,280,282,284,285,286,287,288,
%U A155480 289,290,291,292,294,295,296,297,298,299,309,321,324,325,326,330,334,335
%N A155480 Composites n with identical largest digits of n and n-th prime.
%e A155480 If n=14=composite and 43=prime(14), then 1<4=4>3 and 14=a(1). If n=30=composite and 113=prime(30), then 0<3=3>1=1 and 30=a(2). If n=32=composite and 131=prime(32), then 2<3=3>1=1 and 32=a(3), etc.
%Y A155480 Cf. A000027, A000040.
%K A155480 nonn,base
%O A155480 1,1
%A A155480 _Juri-Stepan Gerasimov_, Jan 23 2009
%E A155480 Corrected (190 replaced by 290) by _R. J. Mathar_, May 10 2010