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 A285901 #35 May 14 2017 11:26:53 %S A285901 1,2,3,4,5,7,8,9,11,12,13,15,16,17,20,21,22,24,25,27,29,30,31,33,35, %T A285901 36,38,40,41,44,45,46,48,49,52,54,55,56,58,60,61,64,65,66,70,71,72,74, %U A285901 76,78,80,81,82,85,87,89,91,92,93,96,97,98,102,103,105,108,109,110,112,115,116,119,120,121,124,125,128,130 %N A285901 Total number of partitions of all positive integers <= n into an odd number of consecutive parts. %C A285901 a(n) is also the total number of odd divisors of k less than sqrt(2*k), for k = 1..n. %C A285901 Conjecture: a(n) is also the total number of subparts present (totally or partially) in an octant of the symmetric representations of sigma of all positive integers <= n. %C A285901 For more information about the "subparts" of the symmetric representation of sigma see A279387 and A237593. %F A285901 a(n) = A060831(n) - A285902(n). %Y A285901 Partial sums of A082647. %Y A285901 Cf. A001227, A060831, A131576, A196020, A235791, A236104, A237048, A237591, A237593, A244250, A262618, A279387, A285902. %K A285901 nonn %O A285901 1,2 %A A285901 _Omar E. Pol_, May 02 2017