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 A145196 #4 Jul 12 2012 00:39:50
%S A145196 0,0,1,2,4,6,9,12,16,20,24,28,33,38,44,50,56,62,68,75,82,89,97,105,
%T A145196 113,122,131,141,151,162,173,185,197,209,221,233,245,257,270,283,296,
%U A145196 309,322,335,349,363,377,391,406,421,437,453,469,485,501,517,533,549,565
%N A145196 Partial sums of number of primes < n-th-prime p such that p+4 is prime.
%F A145196 a(n) = sum_{i=1..n} A139789(i). [From _R. J. Mathar_, Nov 03 2008]
%Y A145196 Cf. A139789.
%K A145196 nonn
%O A145196 1,4
%A A145196 _Giovanni Teofilatto_, Oct 04 2008
%E A145196 More terms from _R. J. Mathar_, Nov 03 2008