A256134 - cp's OEIS frontend

A256134 The absolute value of a(n) is the length of the n-th line segment of a labyrinth related to odd nonprimes (A014076) and odd primes (A065091) (see Comments lines for definition).

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

[1, 1, 1, -1, -2, -2, 1, 3, 4, 4, 5, 5, 5, -1, -6, -7, -7, -8, -8, -8, 1, 9, 10, 10, 11, 11, 12, 12, 12, -1, -13, -14, -14, -14, 1, 15, 16, 16, 16, -1, -17, -18, -18, -19, -19, -20, -20, -20, 1, 21, 22, 22, 23, 23, 24, 24, 24, -1, -25, -26, -26, -27, -27, -27, 1, 28, 29, 29, 29, -1, -30, -31, -31, -31, 1, 32, 33, 33, 34]

cp's OEIS Frontend

A256134 The absolute value of a(n) is the length of the n-th line segment of a labyrinth related to odd nonprimes (A014076) and odd primes (A065091) (see Comments lines for definition).

Table of values

List of values

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

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

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