A195508 - cp's OEIS frontend

A195508 Number of iterations in a Draim factorization of 2n+1.

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

[1, 2, 3, 1, 5, 6, 1, 8, 9, 1, 11, 2, 1, 14, 15, 1, 2, 18, 1, 20, 21, 1, 23, 3, 1, 26, 2, 1, 29, 30, 1, 2, 33, 1, 35, 36, 1, 3, 39, 1, 41, 2, 1, 44, 3, 1, 2, 48, 1, 50, 51, 1, 53, 54, 1, 56, 2, 1, 3, 5, 1, 2, 63, 1, 65, 3, 1, 68, 69, 1, 5, 2, 1, 74, 75, 1, 2, 78, 1, 3, 81, 1, 83, 6, 1, 86, 2, 1, 89, 90, 1, 2, 5, 1, 95, 96, 1, 98, 99]

cp's OEIS Frontend

A195508 Number of iterations in a Draim factorization of 2n+1.

Table of values

List of values

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

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

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