A128138 - cp's OEIS frontend

A128138 A000012 * A128132.

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

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

cp's OEIS Frontend

A128138 A000012 * A128132.

Table of values

List of values

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

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

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