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.

A325194 Regular triangle read by rows where T(n,k) is the number of integer partitions of n with co-rank n - k, where co-rank is the greater of the length and the largest part.

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%I A325194 #4 Apr 13 2019 22:16:04
%S A325194 1,0,0,0,1,0,0,0,0,0,0,0,2,0,0,0,0,0,1,0,0,0,0,0,2,1,0,0,0,0,0,0,2,0,
%T A325194 0,0,0,0,0,0,2,3,0,0,0,0,0,0,0,0,2,3,0,0,0,0,0,0,0,0,2,4,2,0,0,0,0,0,
%U A325194 0,0,0,0,2,5,1,0,0,0,0,0,0,0,0,0,2,4,7,1,0,0,0
%N A325194 Regular triangle read by rows where T(n,k) is the number of integer partitions of n with co-rank n - k, where co-rank is the greater of the length and the largest part.
%e A325194 Triangle begins:
%e A325194   1
%e A325194   0  0
%e A325194   0  1  0
%e A325194   0  0  0  0
%e A325194   0  0  2  0  0
%e A325194   0  0  0  1  0  0
%e A325194   0  0  0  2  1  0  0
%e A325194   0  0  0  0  2  0  0  0
%e A325194   0  0  0  0  2  3  0  0  0
%e A325194   0  0  0  0  0  2  3  0  0  0
%e A325194   0  0  0  0  0  2  4  2  0  0  0
%e A325194   0  0  0  0  0  0  2  5  1  0  0  0
%e A325194   0  0  0  0  0  0  2  4  7  1  0  0  0
%e A325194   0  0  0  0  0  0  0  2  6  6  0  0  0  0
%e A325194   0  0  0  0  0  0  0  2  4  9  7  0  0  0  0
%e A325194   0  0  0  0  0  0  0  0  2  6 11  5  0  0  0  0
%e A325194   0  0  0  0  0  0  0  0  2  4 10 14  5  0  0  0  0
%e A325194   0  0  0  0  0  0  0  0  0  2  6 13 15  3  0  0  0  0
%e A325194   0  0  0  0  0  0  0  0  0  2  4 10 19 17  2  0  0  0  0
%e A325194   0  0  0  0  0  0  0  0  0  0  2  6 14 22 17  1  0  0  0  0
%e A325194   0  0  0  0  0  0  0  0  0  0  2  4 10 21 29 17  1  0  0  0  0
%e A325194 Row n = 16 counts the following partitions:
%e A325194   (8)         (72)       (64)      (533)    (444)
%e A325194   (11111111)  (711)      (622)     (542)    (3333)
%e A325194               (2211111)  (631)     (551)    (4332)
%e A325194               (3111111)  (6211)    (5222)   (4422)
%e A325194                          (61111)   (5321)   (4431)
%e A325194                          (222211)  (5411)
%e A325194                          (322111)  (32222)
%e A325194                          (331111)  (33221)
%e A325194                          (421111)  (33311)
%e A325194                          (511111)  (42221)
%e A325194                                    (43211)
%e A325194                                    (44111)
%e A325194                                    (52211)
%e A325194                                    (53111)
%t A325194 Table[Length[Select[IntegerPartitions[k],Max[Length[#],Max[#]]==n-k&]],{n,0,10},{k,0,n}]
%Y A325194 Column sums are A000041. Row sums are A325193.
%Y A325194 Cf. A051924, A071724, A096771, A115720, A263297, A325178, A325192.
%K A325194 nonn,tabl
%O A325194 0,13
%A A325194 _Gus Wiseman_, Apr 13 2019