A117995 - cp's OEIS frontend

A117995 Number of partitions of n in which both smallest and largest part occur only once.

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	3
7	4
8	6
9	8
10	11
11	14
12	20
13	24
14	33
15	41
16	54
17	66
18	87
19	105
20	136
21	165
22	209
23	253
24	319
25	383
26	477
27	574
28	707
29	847
30	1038
31	1238
32	1506
33	1794
34	2166
35	2573
36	3093
37	3660
38	4377
39	5170
40	6152
41	7245
42	8590
43	10087
44	11913
45	13959
46	16423
47	19196
48	22518
49	26252
50	30700
51	35717

[0, 0, 1, 1, 2, 3, 4, 6, 8, 11, 14, 20, 24, 33, 41, 54, 66, 87, 105, 136, 165, 209, 253, 319, 383, 477, 574, 707, 847, 1038, 1238, 1506, 1794, 2166, 2573, 3093, 3660, 4377, 5170, 6152, 7245, 8590, 10087, 11913, 13959, 16423, 19196, 22518, 26252, 30700, 35717]

cp's OEIS Frontend

A117995 Number of partitions of n in which both smallest and largest part occur only once.

Table of values

List of values