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.
%I A134651 #12 Jul 17 2025 11:51:05
%S A134651 10,13,16,17,20,23,24,26,29,30,32,35,36,38,41,42,44,47,48,50,54,57,60,
%T A134651 64,65,66,68,70,72,73,76,78,80,82,83,84,86,88,89,90,92,94,95,96,98,
%U A134651 102,104,105,108,110,112,114,117,118,120,124,125,126,128,130,132,133,136,138,140
%N A134651 Numbers which are the sum of two terms from A001043.
%H A134651 B. D. Swan, <a href="/A134651/b134651.txt">Table of n, a(n) for n = 1..60000</a>
%e A134651 Recall that A001043 begins with 5,8,12, ..
%e A134651 So 10 (5+5), 13 (5+8), 16 (8+8), 17 (5+12), 20 (8+12) are in the sequence.
%o A134651 (PARI) issum(i, vss) = {for (j = 1, #vss, if (vss[j] > i, break); for (k = 1, #vss, sv = vss[j] + vss[k]; if (sv == i, return (1)); if (sv > i, break););); return (0);}
%o A134651 lista(nn) = {vec = vector(nn, i, i); vss = select(i->((precprime((i-1)/2) + nextprime(i/2) == i) && (i>2)), vec); for (i = 1, nn, if (issum(i, vss), print1(i, ", ")););} \\ _Michel Marcus_, Oct 14 2013
%Y A134651 Cf. A001043, A134650.
%K A134651 nonn,easy
%O A134651 1,1
%A A134651 _N. J. A. Sloane_, Jan 25 2008