A333179 - cp's OEIS frontend

A333179 G.f.: Sum_{k>=0} (x^(k(k+1)) Product_{j=1..k} (1 + x^j)).

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

[1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 2, 1, 1, 1, 0, 1, 1, 1, 2, 2, 2, 2, 2, 1, 1, 2, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 2, 3, 2, 2, 3, 2, 3, 4, 4, 4, 5, 5, 5, 5, 4, 5, 5, 4, 4, 4, 4, 5, 6, 5, 6, 7, 7, 8, 8, 8, 8, 9, 8, 8, 8, 7, 8, 8, 8, 8, 9, 9, 10, 11, 11]

cp's OEIS Frontend

A333179 G.f.: Sum_{k>=0} (x^(k(k+1)) Product_{j=1..k} (1 + x^j)).

Table of values

List of values

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

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

cp's OEIS Frontend

A333179 G.f.: Sum_{k>=0} (x^(k*(k+1)) * Product_{j=1..k} (1 + x^j)).

Table of values

List of values

A333179 G.f.: Sum_{k>=0} (x^(k(k+1)) Product_{j=1..k} (1 + x^j)).

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