A306734 - cp's OEIS frontend

A306734 Expansion of Sum_{k>=0} x^(k^2) * Product_{j=1..k} (1 + x^j).

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

[1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 2, 2, 1, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 4, 5, 5, 6, 6, 6, 7, 7, 8, 8, 8, 9, 9, 8, 9, 8, 8, 9, 9, 9, 9, 10, 10, 11, 12, 12, 13, 13, 14, 15, 14, 15, 15, 15, 15, 15, 15, 16]

cp's OEIS Frontend

A306734 Expansion of Sum_{k>=0} x^(k^2) * Product_{j=1..k} (1 + x^j).

Table of values

List of values

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

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

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