A355385 - cp's OEIS frontend

A355385 Number of pairs (y, v) of integer partitions of n where the length of v equals the number of distinct parts in y.

n	a(n)
0	1
1	1
2	2
3	3
4	7
5	12
6	25
7	43
8	81
9	141
10	243
11	409
12	699
13	1132
14	1844
15	2995
16	4744
17	7408
18	11655
19	17839
20	27509
21	41546
22	62879
23	93537
24	139974
25	205547
26	302714
27	440097
28	640968
29	921774
30	1327538
31	1891548
32	2696635
33	3809860
34	5380257
35	7540778
36	10561566
37	14687109
38	20408170
39	28183998
40	38882009

[1, 1, 2, 3, 7, 12, 25, 43, 81, 141, 243, 409, 699, 1132, 1844, 2995, 4744, 7408, 11655, 17839, 27509, 41546, 62879, 93537, 139974, 205547, 302714, 440097, 640968, 921774, 1327538, 1891548, 2696635, 3809860, 5380257, 7540778, 10561566, 14687109, 20408170, 28183998, 38882009]

cp's OEIS Frontend

A355385 Number of pairs (y, v) of integer partitions of n where the length of v equals the number of distinct parts in y.

Table of values

List of values