A137305 - cp's OEIS frontend

A137305 Write n in base 3, change twos in ones and ones in twos, reverse.

n	a(n)
0	0
1	2
2	1
3	2
4	8
5	5
6	1
7	7
8	4
9	2
10	20
11	11
12	8
13	26
14	17
15	5
16	23
17	14
18	1
19	19
20	10
21	7
22	25
23	16
24	4
25	22
26	13
27	2
28	56
29	29
30	20
31	74
32	47
33	11
34	65
35	38
36	8
37	62
38	35
39	26
40	80
41	53
42	17
43	71
44	44
45	5
46	59
47	32
48	23
49	77
50	50
51	14
52	68
53	41
54	1
55	55
56	28
57	19
58	73
59	46
60	10

[0, 2, 1, 2, 8, 5, 1, 7, 4, 2, 20, 11, 8, 26, 17, 5, 23, 14, 1, 19, 10, 7, 25, 16, 4, 22, 13, 2, 56, 29, 20, 74, 47, 11, 65, 38, 8, 62, 35, 26, 80, 53, 17, 71, 44, 5, 59, 32, 23, 77, 50, 14, 68, 41, 1, 55, 28, 19, 73, 46, 10]

cp's OEIS Frontend

A137305 Write n in base 3, change twos in ones and ones in twos, reverse.

Table of values

List of values

n	a(n)
0	0
1	2
2	1
3	2
4	8
5	5
6	1
7	7
8	4
9	2
10	20
11	11
12	8
13	26
14	17
15	5
16	23
17	14
18	1
19	19
20	10
21	7
22	25
23	16
24	4
25	22
26	13
27	2
28	56
29	29
30	20
31	74
32	47
33	11
34	65
35	38
36	8
37	62
38	35
39	26
40	80
41	53
42	17
43	71
44	44
45	5
46	59
47	32
48	23
49	77
50	50
51	14
52	68
53	41
54	1
55	55
56	28
57	19
58	73
59	46
60	10

n	a(n)
0	0
1	2
2	1
3	2
4	8
5	5
6	1
7	7
8	4
9	2
10	20
11	11
12	8
13	26
14	17
15	5
16	23
17	14
18	1
19	19
20	10
21	7
22	25
23	16
24	4
25	22
26	13
27	2
28	56
29	29
30	20
31	74
32	47
33	11
34	65
35	38
36	8
37	62
38	35
39	26
40	80
41	53
42	17
43	71
44	44
45	5
46	59
47	32
48	23
49	77
50	50
51	14
52	68
53	41
54	1
55	55
56	28
57	19
58	73
59	46
60	10

n	a(n)
0	0
1	2
2	1
3	2
4	8
5	5
6	1
7	7
8	4
9	2
10	20
11	11
12	8
13	26
14	17
15	5
16	23
17	14
18	1
19	19
20	10
21	7
22	25
23	16
24	4
25	22
26	13
27	2
28	56
29	29
30	20
31	74
32	47
33	11
34	65
35	38
36	8
37	62
38	35
39	26
40	80
41	53
42	17
43	71
44	44
45	5
46	59
47	32
48	23
49	77
50	50
51	14
52	68
53	41
54	1
55	55
56	28
57	19
58	73
59	46
60	10