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 A239282 #8 Mar 17 2014 02:11:01 %S A239282 0,3,5,7,22,13,34,38,46,58,93,111,123,86,141,106,236,244,134,213,292, %T A239282 237,332,445,388,303,515,321,436,678,381,655,822,278,745,906,785,815, %U A239282 1169,692,895,1448,955,772,1773,796,1055,1561,681,1374,1864,1195,1446,2008 %N A239282 a(n) = A045917(n)*prime(n). %t A239282 (*Returns the various ways a number (presumed to be even) can be split as a sum of 2 Primes.*) %t A239282 getGoldBachSplits[n_Integer] := Module[{i, splits = {}, a, b}, %t A239282 ( %t A239282 For[i = 1, %t A239282 Prime[i] < n, %t A239282 i++, %t A239282 a = Prime[i] ; %t A239282 b = n - Prime[i]; %t A239282 If[PrimeQ[b], %t A239282 If[MemberQ[splits, {b, a}], Null, %t A239282 AppendTo[splits, {a, b}]], %t A239282 Null]; %t A239282 ]; (*End For-loop...*) %t A239282 splits %t A239282 ) %t A239282 ] %t A239282 (* Now we generate our series...*) %t A239282 series[n_] := %t A239282 Module[{}, (Table[Prime[i]*Length[getGoldBachSplits[2 i]], {i, 2, n}])] %Y A239282 Cf. A045917, A000040 %K A239282 nonn %O A239282 1,2 %A A239282 _Raghavendra Ugare_, Mar 14 2014