A339628 - cp's OEIS frontend

A339628 Number of compositions (ordered partitions) of n into distinct parts such that the sum of reciprocals of parts is an integer.

n	a(n)
0	1
1	1
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	6
12	24
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	24
25	120
26	0
27	0
28	0
29	0
30	24
31	144
32	144
33	120
34	0
35	0
36	0
37	24
38	240
39	720
40	0
41	0
42	0
43	120
44	720
45	240
46	1440
47	0
48	0
49	0
50	840
51	5760
52	720
53	5160
54	744
55	240
56	720
57	1440
58	10080
59	720
60	5760
61	5160
62	1560
63	5760
64	2280
65	16560
66	6000
67	7560

[1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 24, 120, 0, 0, 0, 0, 24, 144, 144, 120, 0, 0, 0, 24, 240, 720, 0, 0, 0, 120, 720, 240, 1440, 0, 0, 0, 840, 5760, 720, 5160, 744, 240, 720, 1440, 10080, 720, 5760, 5160, 1560, 5760, 2280, 16560, 6000, 7560]

cp's OEIS Frontend

A339628 Number of compositions (ordered partitions) of n into distinct parts such that the sum of reciprocals of parts is an integer.

Table of values

List of values