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 A090481 #10 Jul 19 2015 01:28:41
%S A090481 2,3,5,7,11,17,19,29,41,71,179,181,239,419,701,839,881,1259,1871,2161,
%T A090481 2521,4159,5039,7561,10079,13441,13859,20161,22679,30241,35281,45361,
%U A090481 55439,65519,110879,138599,151201,166319,226799,262079,327599,332641
%N A090481 Primes p such that tau(p-1)+tau(p+1) is larger than for any previous term. (Smallest prime sandwiched between more composite numbers.)
%H A090481 Donovan Johnson, <a href="/A090481/b090481.txt">Table of n, a(n) for n = 1..100</a>
%e A090481 17 follows 11 and 13 is not a term as tau(10) + tau(12) = tau(12) + tau(14) = 10.
%t A090481 a = {}; t = 0; Do[p = Prime[n]; s = DivisorSigma[0, p - 1] + DivisorSigma[0, p + 1]; If[s > t, t = s; AppendTo[a, p]], {n, 1, 10^5}]; a (* _Robert G. Wilson v_, Dec 04 2003 *)
%Y A090481 Cf. A090482, A000005.
%K A090481 nonn
%O A090481 1,1
%A A090481 _Amarnath Murthy_, Dec 02 2003
%E A090481 More terms from _Robert G. Wilson v_, Dec 04 2003