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 A318584 #8 Aug 30 2018 08:36:56 %S A318584 0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,1,1,0,0,0,1,0, %T A318584 0,0,1,0,1,1,0,2,2,0,0,0,2,0,2,1,2,2,2,1,1,2,3,0,1,1,6,2,3,2,6,2,2,3, %U A318584 2,6,7,2,4,3,9,4,7,5,8,8,7,9,9,11,12,7,9,11,17,9,13,12,17,16,13,15,20,26,27,18,23 %N A318584 Number of integer partitions of n whose sum of reciprocals squared is 1. %C A318584 The a(16) = 1 integer partition: %C A318584 (6,3,3,2,2,2) %C A318584 The a(48) = 2 integer partitions: %C A318584 (18,9,9,3,3,2,2,2) %C A318584 (6,6,6,6,3,3,3,3,3,3,3,3) %C A318584 The a(56) = 3 integer partitions: %C A318584 (12,6,6,4,4,4,4,4,4,4,2,2) %C A318584 (10,6,5,5,5,5,5,5,3,3,2,2) %C A318584 (6,6,4,4,4,4,4,4,4,4,3,3,3,3) %C A318584 The a(60) = 6 integer partitions: %C A318584 (12,12,12,12,3,3,2,2,2) %C A318584 (8,8,8,8,6,4,4,4,3,3,2,2) %C A318584 (6,6,6,6,6,6,6,6,6,2,2,2) %C A318584 (12,12,12,4,3,3,3,3,3,3,2) %C A318584 (10,5,5,5,5,5,5,4,4,4,4,2,2) %C A318584 (6,4,4,4,4,4,4,4,4,4,4,4,4,3,3) %t A318584 Table[Length[Select[IntegerPartitions[n],Total[#^(-2)]==1&]],{n,30}] %Y A318584 Cf. A000041, A051908, A058360, A289506, A289507, A316854, A316855. %Y A318584 Cf. A318585, A318586, A318587, A318588, A318589. %K A318584 nonn %O A318584 0,42 %A A318584 _Gus Wiseman_, Aug 29 2018 %E A318584 a(61)-a(100) from _Alois P. Heinz_, Aug 30 2018