A280152 - cp's OEIS frontend

A280152 Expansion of Product_{k>=1} (1 + floor(1/omega(2k+1))x^(2*k+1)), where omega() is the number of distinct prime factors (A001221).

n	a(n)
0	1
1	0
2	0
3	1
4	0
5	1
6	0
7	1
8	1
9	1
10	1
11	1
12	2
13	1
14	2
15	1
16	3
17	2
18	2
19	3
20	3
21	3
22	3
23	4
24	4
25	5
26	4
27	6
28	6
29	6
30	7
31	7
32	9
33	8
34	9
35	10
36	11
37	12
38	11
39	14
40	14
41	16
42	15
43	18
44	19
45	19
46	21
47	22
48	25
49	25
50	27
51	28
52	32
53	32
54	34
55	36
56	40
57	41
58	42
59	47
60	49
61	52
62	53
63	57
64	62
65	63
66	67
67	71
68	76
69	79
70	82
71	88
72	93
73	98
74	100
75	108
76	114
77	118
78	124

[1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 2, 1, 2, 1, 3, 2, 2, 3, 3, 3, 3, 4, 4, 5, 4, 6, 6, 6, 7, 7, 9, 8, 9, 10, 11, 12, 11, 14, 14, 16, 15, 18, 19, 19, 21, 22, 25, 25, 27, 28, 32, 32, 34, 36, 40, 41, 42, 47, 49, 52, 53, 57, 62, 63, 67, 71, 76, 79, 82, 88, 93, 98, 100, 108, 114, 118, 124]

cp's OEIS Frontend

A280152 Expansion of Product_{k>=1} (1 + floor(1/omega(2k+1))x^(2*k+1)), where omega() is the number of distinct prime factors (A001221).

Table of values

List of values

n	a(n)
0	1
1	0
2	0
3	1
4	0
5	1
6	0
7	1
8	1
9	1
10	1
11	1
12	2
13	1
14	2
15	1
16	3
17	2
18	2
19	3
20	3
21	3
22	3
23	4
24	4
25	5
26	4
27	6
28	6
29	6
30	7
31	7
32	9
33	8
34	9
35	10
36	11
37	12
38	11
39	14
40	14
41	16
42	15
43	18
44	19
45	19
46	21
47	22
48	25
49	25
50	27
51	28
52	32
53	32
54	34
55	36
56	40
57	41
58	42
59	47
60	49
61	52
62	53
63	57
64	62
65	63
66	67
67	71
68	76
69	79
70	82
71	88
72	93
73	98
74	100
75	108
76	114
77	118
78	124

n	a(n)
0	1
1	0
2	0
3	1
4	0
5	1
6	0
7	1
8	1
9	1
10	1
11	1
12	2
13	1
14	2
15	1
16	3
17	2
18	2
19	3
20	3
21	3
22	3
23	4
24	4
25	5
26	4
27	6
28	6
29	6
30	7
31	7
32	9
33	8
34	9
35	10
36	11
37	12
38	11
39	14
40	14
41	16
42	15
43	18
44	19
45	19
46	21
47	22
48	25
49	25
50	27
51	28
52	32
53	32
54	34
55	36
56	40
57	41
58	42
59	47
60	49
61	52
62	53
63	57
64	62
65	63
66	67
67	71
68	76
69	79
70	82
71	88
72	93
73	98
74	100
75	108
76	114
77	118
78	124

cp's OEIS Frontend

A280152 Expansion of Product_{k>=1} (1 + floor(1/omega(2*k+1))*x^(2*k+1)), where omega() is the number of distinct prime factors (A001221).

Table of values

List of values

A280152 Expansion of Product_{k>=1} (1 + floor(1/omega(2k+1))x^(2*k+1)), where omega() is the number of distinct prime factors (A001221).

n	a(n)
0	1
1	0
2	0
3	1
4	0
5	1
6	0
7	1
8	1
9	1
10	1
11	1
12	2
13	1
14	2
15	1
16	3
17	2
18	2
19	3
20	3
21	3
22	3
23	4
24	4
25	5
26	4
27	6
28	6
29	6
30	7
31	7
32	9
33	8
34	9
35	10
36	11
37	12
38	11
39	14
40	14
41	16
42	15
43	18
44	19
45	19
46	21
47	22
48	25
49	25
50	27
51	28
52	32
53	32
54	34
55	36
56	40
57	41
58	42
59	47
60	49
61	52
62	53
63	57
64	62
65	63
66	67
67	71
68	76
69	79
70	82
71	88
72	93
73	98
74	100
75	108
76	114
77	118
78	124