A055977 - cp's OEIS frontend

A055977 Numbers k such that Product_{q|k} p(q) divides p(k), where p(k) is number of unrestricted partitions of k and the product is over all distinct primes q that divide k.

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	8
7	9
8	10
9	11
10	13
11	17
12	19
13	23
14	29
15	31
16	37
17	40
18	41
19	43
20	47
21	53
22	59
23	61
24	64
25	67
26	71
27	73
28	75
29	79
30	83
31	89
32	97
33	101
34	103
35	107
36	109
37	113
38	125
39	127
40	128
41	131
42	137
43	139
44	149
45	151
46	157
47	163
48	167
49	173
50	179
51	180
52	181
53	189
54	191
55	193
56	197
57	199
58	211
59	223
60	225
61	227

[1, 2, 3, 5, 7, 8, 9, 10, 11, 13, 17, 19, 23, 29, 31, 37, 40, 41, 43, 47, 53, 59, 61, 64, 67, 71, 73, 75, 79, 83, 89, 97, 101, 103, 107, 109, 113, 125, 127, 128, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 180, 181, 189, 191, 193, 197, 199, 211, 223, 225, 227]

cp's OEIS Frontend

A055977 Numbers k such that Product_{q|k} p(q) divides p(k), where p(k) is number of unrestricted partitions of k and the product is over all distinct primes q that divide k.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	8
7	9
8	10
9	11
10	13
11	17
12	19
13	23
14	29
15	31
16	37
17	40
18	41
19	43
20	47
21	53
22	59
23	61
24	64
25	67
26	71
27	73
28	75
29	79
30	83
31	89
32	97
33	101
34	103
35	107
36	109
37	113
38	125
39	127
40	128
41	131
42	137
43	139
44	149
45	151
46	157
47	163
48	167
49	173
50	179
51	180
52	181
53	189
54	191
55	193
56	197
57	199
58	211
59	223
60	225
61	227

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	8
7	9
8	10
9	11
10	13
11	17
12	19
13	23
14	29
15	31
16	37
17	40
18	41
19	43
20	47
21	53
22	59
23	61
24	64
25	67
26	71
27	73
28	75
29	79
30	83
31	89
32	97
33	101
34	103
35	107
36	109
37	113
38	125
39	127
40	128
41	131
42	137
43	139
44	149
45	151
46	157
47	163
48	167
49	173
50	179
51	180
52	181
53	189
54	191
55	193
56	197
57	199
58	211
59	223
60	225
61	227

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	8
7	9
8	10
9	11
10	13
11	17
12	19
13	23
14	29
15	31
16	37
17	40
18	41
19	43
20	47
21	53
22	59
23	61
24	64
25	67
26	71
27	73
28	75
29	79
30	83
31	89
32	97
33	101
34	103
35	107
36	109
37	113
38	125
39	127
40	128
41	131
42	137
43	139
44	149
45	151
46	157
47	163
48	167
49	173
50	179
51	180
52	181
53	189
54	191
55	193
56	197
57	199
58	211
59	223
60	225
61	227