A361947 - cp's OEIS frontend

A361947 If the rightmost nonzero digit in the base-4 expansion of n is the digit 1, then replace 2's by 3's and vice versa; if it is the digit 2, then replace 1's by 3's and vice versa; if it is the digit 3, then replace 1's by 2's and vice versa; a(0) = 0.

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	14
7	11
8	8
9	13
10	10
11	7
12	12
13	9
14	6
15	15
16	16
17	17
18	50
19	35
20	20
21	21
22	62
23	43
24	56
25	29
26	58
27	39
28	44
29	25
30	54
31	47
32	32
33	49
34	34
35	19
36	52
37	53
38	46
39	27
40	40
41	61
42	42
43	23
44	28
45	57
46	38
47	31
48	48
49	33
50	18
51	51
52	36
53	37
54	30
55	59
56	24
57	45
58	26
59	55
60	60
61	41
62	22
63	63
64	64
65	65
66	194

[0, 1, 2, 3, 4, 5, 14, 11, 8, 13, 10, 7, 12, 9, 6, 15, 16, 17, 50, 35, 20, 21, 62, 43, 56, 29, 58, 39, 44, 25, 54, 47, 32, 49, 34, 19, 52, 53, 46, 27, 40, 61, 42, 23, 28, 57, 38, 31, 48, 33, 18, 51, 36, 37, 30, 59, 24, 45, 26, 55, 60, 41, 22, 63, 64, 65, 194]

cp's OEIS Frontend

A361947 If the rightmost nonzero digit in the base-4 expansion of n is the digit 1, then replace 2's by 3's and vice versa; if it is the digit 2, then replace 1's by 3's and vice versa; if it is the digit 3, then replace 1's by 2's and vice versa; a(0) = 0.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	14
7	11
8	8
9	13
10	10
11	7
12	12
13	9
14	6
15	15
16	16
17	17
18	50
19	35
20	20
21	21
22	62
23	43
24	56
25	29
26	58
27	39
28	44
29	25
30	54
31	47
32	32
33	49
34	34
35	19
36	52
37	53
38	46
39	27
40	40
41	61
42	42
43	23
44	28
45	57
46	38
47	31
48	48
49	33
50	18
51	51
52	36
53	37
54	30
55	59
56	24
57	45
58	26
59	55
60	60
61	41
62	22
63	63
64	64
65	65
66	194

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	14
7	11
8	8
9	13
10	10
11	7
12	12
13	9
14	6
15	15
16	16
17	17
18	50
19	35
20	20
21	21
22	62
23	43
24	56
25	29
26	58
27	39
28	44
29	25
30	54
31	47
32	32
33	49
34	34
35	19
36	52
37	53
38	46
39	27
40	40
41	61
42	42
43	23
44	28
45	57
46	38
47	31
48	48
49	33
50	18
51	51
52	36
53	37
54	30
55	59
56	24
57	45
58	26
59	55
60	60
61	41
62	22
63	63
64	64
65	65
66	194

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	14
7	11
8	8
9	13
10	10
11	7
12	12
13	9
14	6
15	15
16	16
17	17
18	50
19	35
20	20
21	21
22	62
23	43
24	56
25	29
26	58
27	39
28	44
29	25
30	54
31	47
32	32
33	49
34	34
35	19
36	52
37	53
38	46
39	27
40	40
41	61
42	42
43	23
44	28
45	57
46	38
47	31
48	48
49	33
50	18
51	51
52	36
53	37
54	30
55	59
56	24
57	45
58	26
59	55
60	60
61	41
62	22
63	63
64	64
65	65
66	194