A303905 - cp's OEIS frontend

A303905 Expansion of (1/(1 - x))Product_{k>=1} (1 + x^(k(k+1)/2)).

n	a(n)
0	1
1	2
2	2
3	3
4	4
5	4
6	5
7	6
8	6
9	7
10	9
11	10
12	10
13	11
14	12
15	13
16	15
17	16
18	17
19	19
20	20
21	22
22	24
23	24
24	26
25	29
26	30
27	31
28	34
29	36
30	37
31	41
32	44
33	44
34	47
35	50
36	52
37	56
38	59
39	62
40	65
41	67
42	70
43	73
44	75
45	79
46	85
47	89
48	91
49	96
50	100
51	102
52	108
53	113
54	116
55	123
56	129
57	132
58	137
59	142
60	147
61	153
62	158
63	162
64	169
65	176
66	182
67	190
68	196
69	201

[1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 9, 10, 10, 11, 12, 13, 15, 16, 17, 19, 20, 22, 24, 24, 26, 29, 30, 31, 34, 36, 37, 41, 44, 44, 47, 50, 52, 56, 59, 62, 65, 67, 70, 73, 75, 79, 85, 89, 91, 96, 100, 102, 108, 113, 116, 123, 129, 132, 137, 142, 147, 153, 158, 162, 169, 176, 182, 190, 196, 201]

cp's OEIS Frontend

A303905 Expansion of (1/(1 - x))Product_{k>=1} (1 + x^(k(k+1)/2)).

Table of values

List of values

n	a(n)
0	1
1	2
2	2
3	3
4	4
5	4
6	5
7	6
8	6
9	7
10	9
11	10
12	10
13	11
14	12
15	13
16	15
17	16
18	17
19	19
20	20
21	22
22	24
23	24
24	26
25	29
26	30
27	31
28	34
29	36
30	37
31	41
32	44
33	44
34	47
35	50
36	52
37	56
38	59
39	62
40	65
41	67
42	70
43	73
44	75
45	79
46	85
47	89
48	91
49	96
50	100
51	102
52	108
53	113
54	116
55	123
56	129
57	132
58	137
59	142
60	147
61	153
62	158
63	162
64	169
65	176
66	182
67	190
68	196
69	201

n	a(n)
0	1
1	2
2	2
3	3
4	4
5	4
6	5
7	6
8	6
9	7
10	9
11	10
12	10
13	11
14	12
15	13
16	15
17	16
18	17
19	19
20	20
21	22
22	24
23	24
24	26
25	29
26	30
27	31
28	34
29	36
30	37
31	41
32	44
33	44
34	47
35	50
36	52
37	56
38	59
39	62
40	65
41	67
42	70
43	73
44	75
45	79
46	85
47	89
48	91
49	96
50	100
51	102
52	108
53	113
54	116
55	123
56	129
57	132
58	137
59	142
60	147
61	153
62	158
63	162
64	169
65	176
66	182
67	190
68	196
69	201

cp's OEIS Frontend

A303905 Expansion of (1/(1 - x))*Product_{k>=1} (1 + x^(k*(k+1)/2)).

Table of values

List of values

A303905 Expansion of (1/(1 - x))Product_{k>=1} (1 + x^(k(k+1)/2)).

n	a(n)
0	1
1	2
2	2
3	3
4	4
5	4
6	5
7	6
8	6
9	7
10	9
11	10
12	10
13	11
14	12
15	13
16	15
17	16
18	17
19	19
20	20
21	22
22	24
23	24
24	26
25	29
26	30
27	31
28	34
29	36
30	37
31	41
32	44
33	44
34	47
35	50
36	52
37	56
38	59
39	62
40	65
41	67
42	70
43	73
44	75
45	79
46	85
47	89
48	91
49	96
50	100
51	102
52	108
53	113
54	116
55	123
56	129
57	132
58	137
59	142
60	147
61	153
62	158
63	162
64	169
65	176
66	182
67	190
68	196
69	201