A280129 - cp's OEIS frontend

A280129 Expansion of Product_{k>=2} (1 + x^(k^2)).

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

[1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 2, 0, 0, 0, 2, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 2, 1, 0, 1, 3, 0, 0, 1, 1, 1, 0, 0, 1, 3, 0, 0, 2, 2, 0, 1, 2, 0, 1, 1, 2, 1]

cp's OEIS Frontend

A280129 Expansion of Product_{k>=2} (1 + x^(k^2)).

Table of values

List of values

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

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

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