A031143 - cp's OEIS frontend

A031143 Position of rightmost 0 (including leading 0) in 2^A031142(n).

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	11
11	12
12	15
13	16
14	21
15	22
16	23
17	24
18	25
19	26
20	36
21	38
22	54
23	57
24	59
25	93
26	115
27	119
28	120
29	121
30	136
31	138
32	164
33	174
34	176
35	191
36	196
37	212
38	217
39	227
40	233
41	249
42	250
43	260
44	268
45	275
46	308

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 21, 22, 23, 24, 25, 26, 36, 38, 54, 57, 59, 93, 115, 119, 120, 121, 136, 138, 164, 174, 176, 191, 196, 212, 217, 227, 233, 249, 250, 260, 268, 275, 308]

cp's OEIS Frontend

A031143 Position of rightmost 0 (including leading 0) in 2^A031142(n).

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	11
11	12
12	15
13	16
14	21
15	22
16	23
17	24
18	25
19	26
20	36
21	38
22	54
23	57
24	59
25	93
26	115
27	119
28	120
29	121
30	136
31	138
32	164
33	174
34	176
35	191
36	196
37	212
38	217
39	227
40	233
41	249
42	250
43	260
44	268
45	275
46	308

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	11
11	12
12	15
13	16
14	21
15	22
16	23
17	24
18	25
19	26
20	36
21	38
22	54
23	57
24	59
25	93
26	115
27	119
28	120
29	121
30	136
31	138
32	164
33	174
34	176
35	191
36	196
37	212
38	217
39	227
40	233
41	249
42	250
43	260
44	268
45	275
46	308

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	11
11	12
12	15
13	16
14	21
15	22
16	23
17	24
18	25
19	26
20	36
21	38
22	54
23	57
24	59
25	93
26	115
27	119
28	120
29	121
30	136
31	138
32	164
33	174
34	176
35	191
36	196
37	212
38	217
39	227
40	233
41	249
42	250
43	260
44	268
45	275
46	308