A275666 - cp's OEIS frontend

A275666 Multisets of numbers such that the sum of reciprocals is 1 and each element e occurs at most lpf(e) - 1 times.

n	a(n)
1	2
2	3
3	6
4	2
5	5
6	5
7	10
8	3
9	5
10	5
11	6
12	10
13	2
14	4
15	6
16	12
17	3
18	3
19	4
20	12
21	4
22	5
23	5
24	6
25	10
26	12
27	2
28	7
29	7
30	7
31	14
32	3
33	6
34	7
35	7
36	7
37	14
38	4
39	6
40	7
41	7
42	7
43	12
44	14
45	5
46	5
47	7
48	7
49	7
50	10
51	14
52	2
53	3
54	10
55	15
56	2
57	4
58	10
59	12
60	15
61	2
62	5
63	6
64	15
65	15
66	3
67	3
68	5
69	15
70	15
71	3
72	3
73	6
74	10
75	15
76	3
77	5
78	5
79	5
80	15
81	3
82	4

[2, 3, 6, 2, 5, 5, 10, 3, 5, 5, 6, 10, 2, 4, 6, 12, 3, 3, 4, 12, 4, 5, 5, 6, 10, 12, 2, 7, 7, 7, 14, 3, 6, 7, 7, 7, 14, 4, 6, 7, 7, 7, 12, 14, 5, 5, 7, 7, 7, 10, 14, 2, 3, 10, 15, 2, 4, 10, 12, 15, 2, 5, 6, 15, 15, 3, 3, 5, 15, 15, 3, 3, 6, 10, 15, 3, 5, 5, 5, 15, 3, 4]

cp's OEIS Frontend

A275666 Multisets of numbers such that the sum of reciprocals is 1 and each element e occurs at most lpf(e) - 1 times.

Table of values

List of values

n	a(n)
1	2
2	3
3	6
4	2
5	5
6	5
7	10
8	3
9	5
10	5
11	6
12	10
13	2
14	4
15	6
16	12
17	3
18	3
19	4
20	12
21	4
22	5
23	5
24	6
25	10
26	12
27	2
28	7
29	7
30	7
31	14
32	3
33	6
34	7
35	7
36	7
37	14
38	4
39	6
40	7
41	7
42	7
43	12
44	14
45	5
46	5
47	7
48	7
49	7
50	10
51	14
52	2
53	3
54	10
55	15
56	2
57	4
58	10
59	12
60	15
61	2
62	5
63	6
64	15
65	15
66	3
67	3
68	5
69	15
70	15
71	3
72	3
73	6
74	10
75	15
76	3
77	5
78	5
79	5
80	15
81	3
82	4

n	a(n)
1	2
2	3
3	6
4	2
5	5
6	5
7	10
8	3
9	5
10	5
11	6
12	10
13	2
14	4
15	6
16	12
17	3
18	3
19	4
20	12
21	4
22	5
23	5
24	6
25	10
26	12
27	2
28	7
29	7
30	7
31	14
32	3
33	6
34	7
35	7
36	7
37	14
38	4
39	6
40	7
41	7
42	7
43	12
44	14
45	5
46	5
47	7
48	7
49	7
50	10
51	14
52	2
53	3
54	10
55	15
56	2
57	4
58	10
59	12
60	15
61	2
62	5
63	6
64	15
65	15
66	3
67	3
68	5
69	15
70	15
71	3
72	3
73	6
74	10
75	15
76	3
77	5
78	5
79	5
80	15
81	3
82	4

n	a(n)
1	2
2	3
3	6
4	2
5	5
6	5
7	10
8	3
9	5
10	5
11	6
12	10
13	2
14	4
15	6
16	12
17	3
18	3
19	4
20	12
21	4
22	5
23	5
24	6
25	10
26	12
27	2
28	7
29	7
30	7
31	14
32	3
33	6
34	7
35	7
36	7
37	14
38	4
39	6
40	7
41	7
42	7
43	12
44	14
45	5
46	5
47	7
48	7
49	7
50	10
51	14
52	2
53	3
54	10
55	15
56	2
57	4
58	10
59	12
60	15
61	2
62	5
63	6
64	15
65	15
66	3
67	3
68	5
69	15
70	15
71	3
72	3
73	6
74	10
75	15
76	3
77	5
78	5
79	5
80	15
81	3
82	4