A001281 - cp's OEIS frontend

A001281 Image of n under the map n->n/2 if n even, n->3n-1 if n odd.

n	a(n)
0	0
1	2
2	1
3	8
4	2
5	14
6	3
7	20
8	4
9	26
10	5
11	32
12	6
13	38
14	7
15	44
16	8
17	50
18	9
19	56
20	10
21	62
22	11
23	68
24	12
25	74
26	13
27	80
28	14
29	86
30	15
31	92
32	16
33	98
34	17
35	104
36	18
37	110
38	19
39	116
40	20
41	122
42	21
43	128
44	22
45	134
46	23
47	140
48	24
49	146
50	25
51	152
52	26
53	158
54	27
55	164
56	28
57	170
58	29
59	176
60	30
61	182
62	31
63	188

[0, 2, 1, 8, 2, 14, 3, 20, 4, 26, 5, 32, 6, 38, 7, 44, 8, 50, 9, 56, 10, 62, 11, 68, 12, 74, 13, 80, 14, 86, 15, 92, 16, 98, 17, 104, 18, 110, 19, 116, 20, 122, 21, 128, 22, 134, 23, 140, 24, 146, 25, 152, 26, 158, 27, 164, 28, 170, 29, 176, 30, 182, 31, 188]

cp's OEIS Frontend

A001281 Image of n under the map n->n/2 if n even, n->3n-1 if n odd.

Table of values

List of values

n	a(n)
0	0
1	2
2	1
3	8
4	2
5	14
6	3
7	20
8	4
9	26
10	5
11	32
12	6
13	38
14	7
15	44
16	8
17	50
18	9
19	56
20	10
21	62
22	11
23	68
24	12
25	74
26	13
27	80
28	14
29	86
30	15
31	92
32	16
33	98
34	17
35	104
36	18
37	110
38	19
39	116
40	20
41	122
42	21
43	128
44	22
45	134
46	23
47	140
48	24
49	146
50	25
51	152
52	26
53	158
54	27
55	164
56	28
57	170
58	29
59	176
60	30
61	182
62	31
63	188

n	a(n)
0	0
1	2
2	1
3	8
4	2
5	14
6	3
7	20
8	4
9	26
10	5
11	32
12	6
13	38
14	7
15	44
16	8
17	50
18	9
19	56
20	10
21	62
22	11
23	68
24	12
25	74
26	13
27	80
28	14
29	86
30	15
31	92
32	16
33	98
34	17
35	104
36	18
37	110
38	19
39	116
40	20
41	122
42	21
43	128
44	22
45	134
46	23
47	140
48	24
49	146
50	25
51	152
52	26
53	158
54	27
55	164
56	28
57	170
58	29
59	176
60	30
61	182
62	31
63	188

n	a(n)
0	0
1	2
2	1
3	8
4	2
5	14
6	3
7	20
8	4
9	26
10	5
11	32
12	6
13	38
14	7
15	44
16	8
17	50
18	9
19	56
20	10
21	62
22	11
23	68
24	12
25	74
26	13
27	80
28	14
29	86
30	15
31	92
32	16
33	98
34	17
35	104
36	18
37	110
38	19
39	116
40	20
41	122
42	21
43	128
44	22
45	134
46	23
47	140
48	24
49	146
50	25
51	152
52	26
53	158
54	27
55	164
56	28
57	170
58	29
59	176
60	30
61	182
62	31
63	188