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 A108753 #12 Jul 14 2022 17:24:45
%S A108753 -1,0,4,13,27,50,82,127,185,256,346,453,581,734,912,1115,1345,1608,
%T A108753 1902,2231,2599,3004,3450,3937,4465,5040,5666,6343,7075,7862,8696,
%U A108753 9589,10541,11558,12634,13779,14991,16272,17626,19053,20555,22138,23796,25539,27367
%N A108753 Difference between the n-th partial sum of the squares (A000330) and the n-th partial sum of the primes (A007504).
%C A108753 Numbers congruent to {0, 3, 8, 11} mod 12.
%H A108753 Harvey P. Dale, <a href="/A108753/b108753.txt">Table of n, a(n) for n = 1..1000</a>
%e A108753 a(4) = A000330(4) - A007504(4) = (1 + 4 + 9 + 16) - (2 + 3 + 5 + 7) = 30 - 17 = 13.
%t A108753 f[n_] := n(n + 1)(2n + 1)/6 - Sum[Prime[i], {i, n}]; Table[ f[n], {n, 15}] (* _Robert G. Wilson v_, Jun 25 2005 *)
%t A108753 #[[1]]-#[[2]]&/@With[{nn=50},Thread[{Accumulate[Range[nn]^2], Accumulate[ Prime[ Range[nn]]]}]] (* _Harvey P. Dale_, May 07 2013 *)
%Y A108753 Cf. A000330, A007504.
%Y A108753 Partial sums of A073497.
%K A108753 base,easy,sign
%O A108753 1,3
%A A108753 _Alexandre Wajnberg_, Jun 23 2005
%E A108753 Edited and extended by _Robert G. Wilson v_, Jun 25 2005