A328301 - cp's OEIS frontend

A328301 Expansion of Product_{k>0} 1/(1 - x^(k^k)).

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

[1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 8, 9, 9, 9, 10, 11, 11, 11, 12, 13, 13, 13, 14, 15, 15, 15, 16, 17, 17, 17, 18, 19, 19, 19, 20, 21, 21, 22, 23, 24, 24, 25, 26, 27, 27, 28, 29, 30, 30, 31, 32, 33, 33, 34, 35, 36, 36, 37, 38, 39, 39]

cp's OEIS Frontend

A328301 Expansion of Product_{k>0} 1/(1 - x^(k^k)).

Table of values

List of values

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

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

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