A281274 - cp's OEIS frontend

A281274 Expansion of Product_{j>=1} (1 + x^(Sum_{i=1..j} prime(i))).

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	1
6	0
7	1
8	0
9	0
10	1
11	0
12	1
13	0
14	0
15	1
16	0
17	2
18	0
19	1
20	0
21	0
22	1
23	0
24	1
25	0
26	0
27	1
28	1
29	1
30	1
31	0
32	1
33	1
34	1
35	1
36	0
37	0
38	1
39	0
40	1
41	1
42	0
43	2
44	0
45	2
46	1
47	1
48	1
49	0
50	1
51	1
52	1
53	1
54	0
55	1
56	1
57	1
58	3
59	0
60	3
61	0
62	1
63	2
64	0
65	2
66	0
67	0
68	2
69	1
70	2
71	1
72	0
73	2
74	1
75	3
76	1
77	2
78	0
79	2
80	1
81	1
82	2
83	0
84	2
85	1
86	3
87	2
88	2
89	1
90	1
91	2
92	2
93	2
94	2
95	0
96	3
97	0
98	2
99	2
100	1
101	4
102	1
103	3
104	2
105	3
106	2
107	2
108	1
109	2
110	3

[1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 2, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 2, 0, 2, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 3, 0, 3, 0, 1, 2, 0, 2, 0, 0, 2, 1, 2, 1, 0, 2, 1, 3, 1, 2, 0, 2, 1, 1, 2, 0, 2, 1, 3, 2, 2, 1, 1, 2, 2, 2, 2, 0, 3, 0, 2, 2, 1, 4, 1, 3, 2, 3, 2, 2, 1, 2, 3]

cp's OEIS Frontend

A281274 Expansion of Product_{j>=1} (1 + x^(Sum_{i=1..j} prime(i))).

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	1
6	0
7	1
8	0
9	0
10	1
11	0
12	1
13	0
14	0
15	1
16	0
17	2
18	0
19	1
20	0
21	0
22	1
23	0
24	1
25	0
26	0
27	1
28	1
29	1
30	1
31	0
32	1
33	1
34	1
35	1
36	0
37	0
38	1
39	0
40	1
41	1
42	0
43	2
44	0
45	2
46	1
47	1
48	1
49	0
50	1
51	1
52	1
53	1
54	0
55	1
56	1
57	1
58	3
59	0
60	3
61	0
62	1
63	2
64	0
65	2
66	0
67	0
68	2
69	1
70	2
71	1
72	0
73	2
74	1
75	3
76	1
77	2
78	0
79	2
80	1
81	1
82	2
83	0
84	2
85	1
86	3
87	2
88	2
89	1
90	1
91	2
92	2
93	2
94	2
95	0
96	3
97	0
98	2
99	2
100	1
101	4
102	1
103	3
104	2
105	3
106	2
107	2
108	1
109	2
110	3

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	1
6	0
7	1
8	0
9	0
10	1
11	0
12	1
13	0
14	0
15	1
16	0
17	2
18	0
19	1
20	0
21	0
22	1
23	0
24	1
25	0
26	0
27	1
28	1
29	1
30	1
31	0
32	1
33	1
34	1
35	1
36	0
37	0
38	1
39	0
40	1
41	1
42	0
43	2
44	0
45	2
46	1
47	1
48	1
49	0
50	1
51	1
52	1
53	1
54	0
55	1
56	1
57	1
58	3
59	0
60	3
61	0
62	1
63	2
64	0
65	2
66	0
67	0
68	2
69	1
70	2
71	1
72	0
73	2
74	1
75	3
76	1
77	2
78	0
79	2
80	1
81	1
82	2
83	0
84	2
85	1
86	3
87	2
88	2
89	1
90	1
91	2
92	2
93	2
94	2
95	0
96	3
97	0
98	2
99	2
100	1
101	4
102	1
103	3
104	2
105	3
106	2
107	2
108	1
109	2
110	3

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	1
6	0
7	1
8	0
9	0
10	1
11	0
12	1
13	0
14	0
15	1
16	0
17	2
18	0
19	1
20	0
21	0
22	1
23	0
24	1
25	0
26	0
27	1
28	1
29	1
30	1
31	0
32	1
33	1
34	1
35	1
36	0
37	0
38	1
39	0
40	1
41	1
42	0
43	2
44	0
45	2
46	1
47	1
48	1
49	0
50	1
51	1
52	1
53	1
54	0
55	1
56	1
57	1
58	3
59	0
60	3
61	0
62	1
63	2
64	0
65	2
66	0
67	0
68	2
69	1
70	2
71	1
72	0
73	2
74	1
75	3
76	1
77	2
78	0
79	2
80	1
81	1
82	2
83	0
84	2
85	1
86	3
87	2
88	2
89	1
90	1
91	2
92	2
93	2
94	2
95	0
96	3
97	0
98	2
99	2
100	1
101	4
102	1
103	3
104	2
105	3
106	2
107	2
108	1
109	2
110	3