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.

A092614 Let p_i(n) = n-th prime ending in i; then a(n) = (p_1(n) + p_3(n) + p_7(n) + p_9(n))/10.

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%I A092614 #14 Jan 21 2019 19:01:55
%S A092614 4,9,16,23,28,38,46,53,61,71,78,87,97,111,118,128,133,146,154,161,169,
%T A092614 186,193,200,219,228,239,248,259,267,274,287,298,313,319,331,348,358,
%U A092614 372,378,392,400,408,417,426,447,461,466,475,487,502,515,523,537,543
%N A092614 Let p_i(n) = n-th prime ending in i; then a(n) = (p_1(n) + p_3(n) + p_7(n) + p_9(n))/10.
%t A092614 Table[ A092613[n]/10, {n, 60}] (* _Robert G. Wilson v_, Apr 13 2004 *)
%o A092614 (PARI) {k=56;m=matrix(9,k);v=[1,0,1,0,0,0,1,0,1];c=vector(9);p=2;d=0;while(d<4,p=nextprime (p+1);r=p%10;c[r]++;if(c[r]<=k,m[r,c[r]]=p;if(c[r]==k,d++)));w=v*m/10;for(j=1,k,print1(w[j],","))}
%Y A092614 First differences are in A093723.
%Y A092614 A092613/10.
%K A092614 easy,nonn,base
%O A092614 1,1
%A A092614 _Jorge Coveiro_, Apr 11 2004
%E A092614 More terms and PARI code from _Klaus Brockhaus_, Apr 12 2004
%E A092614 More terms from _Robert G. Wilson v_, Apr 13 2004