A279220 - cp's OEIS frontend

A279220 Expansion of Product_{k>=1} 1/(1 - x^(k(k+1)(2*k+1)/6)).

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	2
7	2
8	2
9	2
10	3
11	3
12	3
13	3
14	4
15	5
16	5
17	5
18	5
19	6
20	7
21	7
22	7
23	7
24	8
25	9
26	9
27	9
28	10
29	11
30	13
31	13
32	13
33	14
34	15
35	17
36	17
37	17
38	18
39	19
40	21
41	21
42	22
43	23
44	25
45	27
46	27
47	28
48	29
49	31
50	33
51	33
52	34
53	35
54	37
55	40
56	41
57	42
58	44
59	46
60	50
61	51
62	52
63	54
64	56
65	60
66	61
67	62
68	64
69	67
70	72
71	73
72	75
73	77
74	81
75	86
76	87
77	89
78	91
79	95
80	100
81	101
82	103
83	106
84	111
85	117
86	119
87	121
88	125
89	130
90	137

[1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 5, 5, 5, 5, 6, 7, 7, 7, 7, 8, 9, 9, 9, 10, 11, 13, 13, 13, 14, 15, 17, 17, 17, 18, 19, 21, 21, 22, 23, 25, 27, 27, 28, 29, 31, 33, 33, 34, 35, 37, 40, 41, 42, 44, 46, 50, 51, 52, 54, 56, 60, 61, 62, 64, 67, 72, 73, 75, 77, 81, 86, 87, 89, 91, 95, 100, 101, 103, 106, 111, 117, 119, 121, 125, 130, 137]

cp's OEIS Frontend

A279220 Expansion of Product_{k>=1} 1/(1 - x^(k(k+1)(2*k+1)/6)).

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	2
7	2
8	2
9	2
10	3
11	3
12	3
13	3
14	4
15	5
16	5
17	5
18	5
19	6
20	7
21	7
22	7
23	7
24	8
25	9
26	9
27	9
28	10
29	11
30	13
31	13
32	13
33	14
34	15
35	17
36	17
37	17
38	18
39	19
40	21
41	21
42	22
43	23
44	25
45	27
46	27
47	28
48	29
49	31
50	33
51	33
52	34
53	35
54	37
55	40
56	41
57	42
58	44
59	46
60	50
61	51
62	52
63	54
64	56
65	60
66	61
67	62
68	64
69	67
70	72
71	73
72	75
73	77
74	81
75	86
76	87
77	89
78	91
79	95
80	100
81	101
82	103
83	106
84	111
85	117
86	119
87	121
88	125
89	130
90	137

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	2
7	2
8	2
9	2
10	3
11	3
12	3
13	3
14	4
15	5
16	5
17	5
18	5
19	6
20	7
21	7
22	7
23	7
24	8
25	9
26	9
27	9
28	10
29	11
30	13
31	13
32	13
33	14
34	15
35	17
36	17
37	17
38	18
39	19
40	21
41	21
42	22
43	23
44	25
45	27
46	27
47	28
48	29
49	31
50	33
51	33
52	34
53	35
54	37
55	40
56	41
57	42
58	44
59	46
60	50
61	51
62	52
63	54
64	56
65	60
66	61
67	62
68	64
69	67
70	72
71	73
72	75
73	77
74	81
75	86
76	87
77	89
78	91
79	95
80	100
81	101
82	103
83	106
84	111
85	117
86	119
87	121
88	125
89	130
90	137

cp's OEIS Frontend

A279220 Expansion of Product_{k>=1} 1/(1 - x^(k*(k+1)*(2*k+1)/6)).

Table of values

List of values

A279220 Expansion of Product_{k>=1} 1/(1 - x^(k(k+1)(2*k+1)/6)).

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	2
7	2
8	2
9	2
10	3
11	3
12	3
13	3
14	4
15	5
16	5
17	5
18	5
19	6
20	7
21	7
22	7
23	7
24	8
25	9
26	9
27	9
28	10
29	11
30	13
31	13
32	13
33	14
34	15
35	17
36	17
37	17
38	18
39	19
40	21
41	21
42	22
43	23
44	25
45	27
46	27
47	28
48	29
49	31
50	33
51	33
52	34
53	35
54	37
55	40
56	41
57	42
58	44
59	46
60	50
61	51
62	52
63	54
64	56
65	60
66	61
67	62
68	64
69	67
70	72
71	73
72	75
73	77
74	81
75	86
76	87
77	89
78	91
79	95
80	100
81	101
82	103
83	106
84	111
85	117
86	119
87	121
88	125
89	130
90	137