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 A363221 #7 May 27 2023 16:44:55 %S A363221 1,1,2,2,3,4,5,6,8,9,11,14,15,19,23,26,29,37,39,49,55,62,71,84,93,108, %T A363221 118,141,149,188,193,217,257,279,318,369,376,441,495,572,587,692,760, %U A363221 811,960,1046,1065,1307,1387,1550,1703,1796,2041,2295,2456,2753,3014 %N A363221 Number of strict integer partitions of n such that (length) * (maximum) <= 2n. %C A363221 Also strict partitions such that (maximum) <= 2*(mean). %C A363221 These are strict partitions whose complement (see A361851) has size <= n. %e A363221 The partition y = (4,3,1) has length 3 and maximum 4, and 3*4 <= 2*8, so y is counted under a(8). The complement of y has size 4, which is less than or equal to n = 8. %t A363221 Table[Length[Select[IntegerPartitions[n],UnsameQ@@#&&Max@@#<=2*Mean[#]&]],{n,30}] %Y A363221 The equal case for median is A361850, non-strict A361849 (ranks A361856). %Y A363221 The non-strict version is A361851, A361848 for median. %Y A363221 The equal case is A361854, non-strict A361853 (ranks A361855). %Y A363221 A000041 counts integer partitions, strict A000009. %Y A363221 A008284 counts partitions by length, A058398 by mean. %Y A363221 A051293 counts subsets with integer mean. %Y A363221 A067538 counts partitions with integer mean. %Y A363221 Cf. A111907, A237984, A240219, A241061, A241086, A324521, A324562, A349156, A360068, A360241, A361394, A361852, A361906. %K A363221 nonn %O A363221 1,3 %A A363221 _Gus Wiseman_, May 23 2023