A372802 - cp's OEIS frontend

A372802 Number of partitions of [n] having exactly one block of maximal size and one block of minimal size (and any number of non-extremal blocks).

n	a(n)
0	0
1	1
2	1
3	4
4	5
5	16
6	82
7	169
8	1381
9	4162
10	34346
11	109099
12	1114610
13	5041271
14	39441963
15	269812729
16	1972727781
17	14983080612
18	126099739072
19	989666749503
20	8839669627570
21	79767000198673
22	725399587976669
23	6979798715649335
24	69812296785011890
25	703554021895986941

[0, 1, 1, 4, 5, 16, 82, 169, 1381, 4162, 34346, 109099, 1114610, 5041271, 39441963, 269812729, 1972727781, 14983080612, 126099739072, 989666749503, 8839669627570, 79767000198673, 725399587976669, 6979798715649335, 69812296785011890, 703554021895986941]

cp's OEIS Frontend

A372802 Number of partitions of [n] having exactly one block of maximal size and one block of minimal size (and any number of non-extremal blocks).

Table of values

List of values