A341866 - cp's OEIS frontend

A341866 The cardinality of the smallest (nontrivial, except for prime n) multiset of positive integers whose product and sum equal n.

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	3
7	1
8	4
9	5
10	5
11	1
12	6
13	1
14	7
15	9
16	8
17	1
18	9
19	1
20	10
21	13
22	11
23	1
24	12
25	17
26	13
27	17
28	14
29	1
30	15
31	1
32	16
33	21
34	17
35	25
36	18
37	1
38	19
39	25
40	20
41	1
42	21
43	1
44	22
45	29
46	23
47	1
48	24
49	37
50	25
51	33
52	26
53	1
54	27
55	41
56	28
57	37
58	29
59	1
60	30
61	1
62	31
63	41
64	32

[1, 1, 1, 2, 1, 3, 1, 4, 5, 5, 1, 6, 1, 7, 9, 8, 1, 9, 1, 10, 13, 11, 1, 12, 17, 13, 17, 14, 1, 15, 1, 16, 21, 17, 25, 18, 1, 19, 25, 20, 1, 21, 1, 22, 29, 23, 1, 24, 37, 25, 33, 26, 1, 27, 41, 28, 37, 29, 1, 30, 1, 31, 41, 32]

cp's OEIS Frontend

A341866 The cardinality of the smallest (nontrivial, except for prime n) multiset of positive integers whose product and sum equal n.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	3
7	1
8	4
9	5
10	5
11	1
12	6
13	1
14	7
15	9
16	8
17	1
18	9
19	1
20	10
21	13
22	11
23	1
24	12
25	17
26	13
27	17
28	14
29	1
30	15
31	1
32	16
33	21
34	17
35	25
36	18
37	1
38	19
39	25
40	20
41	1
42	21
43	1
44	22
45	29
46	23
47	1
48	24
49	37
50	25
51	33
52	26
53	1
54	27
55	41
56	28
57	37
58	29
59	1
60	30
61	1
62	31
63	41
64	32

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	3
7	1
8	4
9	5
10	5
11	1
12	6
13	1
14	7
15	9
16	8
17	1
18	9
19	1
20	10
21	13
22	11
23	1
24	12
25	17
26	13
27	17
28	14
29	1
30	15
31	1
32	16
33	21
34	17
35	25
36	18
37	1
38	19
39	25
40	20
41	1
42	21
43	1
44	22
45	29
46	23
47	1
48	24
49	37
50	25
51	33
52	26
53	1
54	27
55	41
56	28
57	37
58	29
59	1
60	30
61	1
62	31
63	41
64	32

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	3
7	1
8	4
9	5
10	5
11	1
12	6
13	1
14	7
15	9
16	8
17	1
18	9
19	1
20	10
21	13
22	11
23	1
24	12
25	17
26	13
27	17
28	14
29	1
30	15
31	1
32	16
33	21
34	17
35	25
36	18
37	1
38	19
39	25
40	20
41	1
42	21
43	1
44	22
45	29
46	23
47	1
48	24
49	37
50	25
51	33
52	26
53	1
54	27
55	41
56	28
57	37
58	29
59	1
60	30
61	1
62	31
63	41
64	32