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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.

A325333 Number of integer partitions of n whose multiplicities all appear the same number of times.

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%I A325333 #4 May 02 2019 08:53:25
%S A325333 1,1,2,3,5,7,11,14,19,23,32,39,50,63,82,96,125,152,186,226,271,326,
%T A325333 392,473,552,663,771,918,1065,1261,1448,1710,1953,2283,2608,3062,3455,
%U A325333 4013,4552,5271,5974,6884,7774,8937,10065,11570,12953,14838,16710,18979
%N A325333 Number of integer partitions of n whose multiplicities all appear the same number of times.
%e A325333 The a(0) = 1 through a(7) = 14 partitions:
%e A325333   ()  (1)  (2)   (3)    (4)     (5)      (6)       (7)
%e A325333            (11)  (21)   (22)    (32)     (33)      (43)
%e A325333                  (111)  (31)    (41)     (42)      (52)
%e A325333                         (211)   (221)    (51)      (61)
%e A325333                         (1111)  (311)    (222)     (322)
%e A325333                                 (2111)   (321)     (331)
%e A325333                                 (11111)  (411)     (421)
%e A325333                                          (2211)    (511)
%e A325333                                          (3111)    (2221)
%e A325333                                          (21111)   (4111)
%e A325333                                          (111111)  (22111)
%e A325333                                                    (31111)
%e A325333                                                    (211111)
%e A325333                                                    (1111111)
%e A325333 For example, the partition (4,3,3,3,2,2,2,1) has multiplicities (1,3,3,1), and since both multiplicities 1 and 3 appear twice, (4,3,3,3,2,2,2,1) is counted under a(20).
%t A325333 Table[Length[Select[IntegerPartitions[n],SameQ@@Length/@Split[Sort[Length/@Split[#]]]&]],{n,0,30}]
%Y A325333 Cf. A000041, A007862, A047966, A049988, A098859, A323022, A325329, A325369.
%K A325333 nonn
%O A325333 0,3
%A A325333 _Gus Wiseman_, May 01 2019