A038802 - cp's OEIS frontend

A038802 Factor 2n+1 = (2^m1)(3^m2)(5^m3)*...; a(n) = number of initial zero exponents.

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

[1, 2, 3, 1, 4, 5, 1, 6, 7, 1, 8, 2, 1, 9, 10, 1, 2, 11, 1, 12, 13, 1, 14, 3, 1, 15, 2, 1, 16, 17, 1, 2, 18, 1, 19, 20, 1, 3, 21, 1, 22, 2, 1, 23, 3, 1, 2, 24, 1, 25, 26, 1, 27, 28, 1, 29, 2, 1, 3, 4, 1, 2, 30, 1, 31, 3, 1, 32, 33, 1, 4, 2, 1, 34, 35, 1, 2, 36]

cp's OEIS Frontend

A038802 Factor 2n+1 = (2^m1)(3^m2)(5^m3)*...; a(n) = number of initial zero exponents.

Table of values

List of values

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

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

cp's OEIS Frontend

A038802 Factor 2n+1 = (2^m1)*(3^m2)*(5^m3)*...; a(n) = number of initial zero exponents.

Table of values

List of values

A038802 Factor 2n+1 = (2^m1)(3^m2)(5^m3)*...; a(n) = number of initial zero exponents.

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