A223893 - cp's OEIS frontend

A223893 Number of partitions of n into at most three distinct primes.

n	a(n)
1	0
2	1
3	1
4	0
5	2
6	0
7	2
8	1
9	1
10	2
11	1
12	2
13	2
14	2
15	2
16	3
17	1
18	4
19	3
20	4
21	3
22	4
23	3
24	5
25	3
26	5
27	3
28	4
29	4
30	5
31	6
32	5
33	5
34	5
35	5
36	7
37	6
38	5
39	7
40	4
41	7
42	7
43	8
44	7
45	7
46	6
47	10
48	8
49	9
50	9
51	8
52	7
53	12
54	8
55	12
56	8
57	10
58	6
59	14
60	9
61	15
62	8
63	13
64	7
65	14
66	11
67	16
68	8
69	14
70	7
71	19
72	11
73	19
74	10
75	15
76	9
77	21
78	12
79	20
80	11
81	18

[0, 1, 1, 0, 2, 0, 2, 1, 1, 2, 1, 2, 2, 2, 2, 3, 1, 4, 3, 4, 3, 4, 3, 5, 3, 5, 3, 4, 4, 5, 6, 5, 5, 5, 5, 7, 6, 5, 7, 4, 7, 7, 8, 7, 7, 6, 10, 8, 9, 9, 8, 7, 12, 8, 12, 8, 10, 6, 14, 9, 15, 8, 13, 7, 14, 11, 16, 8, 14, 7, 19, 11, 19, 10, 15, 9, 21, 12, 20, 11, 18]

cp's OEIS Frontend

A223893 Number of partitions of n into at most three distinct primes.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	0
5	2
6	0
7	2
8	1
9	1
10	2
11	1
12	2
13	2
14	2
15	2
16	3
17	1
18	4
19	3
20	4
21	3
22	4
23	3
24	5
25	3
26	5
27	3
28	4
29	4
30	5
31	6
32	5
33	5
34	5
35	5
36	7
37	6
38	5
39	7
40	4
41	7
42	7
43	8
44	7
45	7
46	6
47	10
48	8
49	9
50	9
51	8
52	7
53	12
54	8
55	12
56	8
57	10
58	6
59	14
60	9
61	15
62	8
63	13
64	7
65	14
66	11
67	16
68	8
69	14
70	7
71	19
72	11
73	19
74	10
75	15
76	9
77	21
78	12
79	20
80	11
81	18

n	a(n)
1	0
2	1
3	1
4	0
5	2
6	0
7	2
8	1
9	1
10	2
11	1
12	2
13	2
14	2
15	2
16	3
17	1
18	4
19	3
20	4
21	3
22	4
23	3
24	5
25	3
26	5
27	3
28	4
29	4
30	5
31	6
32	5
33	5
34	5
35	5
36	7
37	6
38	5
39	7
40	4
41	7
42	7
43	8
44	7
45	7
46	6
47	10
48	8
49	9
50	9
51	8
52	7
53	12
54	8
55	12
56	8
57	10
58	6
59	14
60	9
61	15
62	8
63	13
64	7
65	14
66	11
67	16
68	8
69	14
70	7
71	19
72	11
73	19
74	10
75	15
76	9
77	21
78	12
79	20
80	11
81	18

n	a(n)
1	0
2	1
3	1
4	0
5	2
6	0
7	2
8	1
9	1
10	2
11	1
12	2
13	2
14	2
15	2
16	3
17	1
18	4
19	3
20	4
21	3
22	4
23	3
24	5
25	3
26	5
27	3
28	4
29	4
30	5
31	6
32	5
33	5
34	5
35	5
36	7
37	6
38	5
39	7
40	4
41	7
42	7
43	8
44	7
45	7
46	6
47	10
48	8
49	9
50	9
51	8
52	7
53	12
54	8
55	12
56	8
57	10
58	6
59	14
60	9
61	15
62	8
63	13
64	7
65	14
66	11
67	16
68	8
69	14
70	7
71	19
72	11
73	19
74	10
75	15
76	9
77	21
78	12
79	20
80	11
81	18