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 A174643 #6 Feb 03 2019 16:03:33
%S A174643 8,44,710,222821,24666982037,304224505147060828973,
%T A174643 46276274758482720007096830321604756046489,
%U A174643 1070746802761292462947634762387664148872052610197552503724569802262354342880260375
%N A174643 Partial sums of A050536.
%C A174643 Partial sums of iterated triangular numbers with seed a(0)=8. None of the values shown are prime, but there is no a priori obstruction to a prime value.
%F A174643 a(n) = Sum_{i=0..n} A050536(i).
%e A174643 a(6) = 8 + 36 + 666 + 222111 + 24666759216 = 24666982037.
%p A174643 A050536 := proc(n) if n = 0 then 8; else binomial( procname(n-1)+1,2) ; end if; end proc: A174643 := proc(n) add(A050536(i),i=0..n) ; end proc: seq(A174643(n),n=0..10) ; # _R. J. Mathar_, Apr 15 2010
%Y A174643 Cf. A050536.
%K A174643 easy,nonn
%O A174643 0,1
%A A174643 _Jonathan Vos Post_, Mar 25 2010
%E A174643 One more term from _R. J. Mathar_, Apr 15 2010