cp's OEIS Frontend

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.

A176708 Partial sums of A094820.

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%I A176708 #11 Sep 29 2021 05:07:49
%S A176708 1,3,6,11,17,25,34,45,58,73,89,108,128,150,174,201,229,260,292,327,
%T A176708 364,403,443,487,533,581,631,684,738,796,855,917,981,1047,1115,1188,
%U A176708 1262,1338,1416,1498,1581,1668,1756,1847,1941,2037,2134,2236,2340,2447,2556
%N A176708 Partial sums of A094820.
%o A176708 (PARI) f(n) = sum(k=1, n, ceil(numdiv(k)/2)); \\ A094820
%o A176708 a(n) = sum(k=1, n, f(k)); \\ _Michel Marcus_, Sep 29 2021
%Y A176708 Cf. A038548, A094820.
%K A176708 easy,nonn
%O A176708 1,2
%A A176708 _Jonathan Vos Post_, Apr 24 2010
%E A176708 a(2) corrected by _Georg Fischer_, Sep 29 2021