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 A153137 #12 Dec 08 2015 03:18:06
%S A153137 1,3,5,113,181,661,10891,927149,88070399,15288362671
%N A153137 Smallest sequence of noncomposite numbers such that no sum of at least two terms is prime.
%o A153137 (PARI) print1(1); a=[1]; for(n=1, 10, forprime(p=vecmin(a)+1, , setsearch(a, p)&&next; for(i=1, 2^#a-1, isprime(normlp(vecextract(a, i), 1)+p)&&next(2)); a=concat(a, p); print1(","p))) \\ Very simplistic, should at least avoid an odd number of terms in the partial sum of earlier terms. \\ _M. F. Hasler_, Jan 29 2015
%Y A153137 Cf. A153136, A153138, A133660, A052349, A254337, A254341.
%K A153137 more,nonn
%O A153137 1,2
%A A153137 _Benoit Jubin_, Dec 19 2008
%E A153137 a(8)-a(10) from _Donovan Johnson_, Dec 23 2008