A230631 - cp's OEIS frontend

A230631 a(n) = n + (sum of digits in base-4 representation of n).

n	a(n)
0	0
1	2
2	4
3	6
4	5
5	7
6	9
7	11
8	10
9	12
10	14
11	16
12	15
13	17
14	19
15	21
16	17
17	19
18	21
19	23
20	22
21	24
22	26
23	28
24	27
25	29
26	31
27	33
28	32
29	34
30	36
31	38
32	34
33	36
34	38
35	40
36	39
37	41
38	43
39	45
40	44
41	46
42	48
43	50
44	49
45	51
46	53
47	55
48	51
49	53
50	55
51	57
52	56
53	58
54	60
55	62
56	61
57	63
58	65
59	67
60	66
61	68
62	70
63	72
64	65
65	67
66	69
67	71
68	70
69	72
70	74
71	76
72	75
73	77
74	79
75	81
76	80
77	82
78	84
79	86
80	82

[0, 2, 4, 6, 5, 7, 9, 11, 10, 12, 14, 16, 15, 17, 19, 21, 17, 19, 21, 23, 22, 24, 26, 28, 27, 29, 31, 33, 32, 34, 36, 38, 34, 36, 38, 40, 39, 41, 43, 45, 44, 46, 48, 50, 49, 51, 53, 55, 51, 53, 55, 57, 56, 58, 60, 62, 61, 63, 65, 67, 66, 68, 70, 72, 65, 67, 69, 71, 70, 72, 74, 76, 75, 77, 79, 81, 80, 82, 84, 86, 82]

cp's OEIS Frontend

A230631 a(n) = n + (sum of digits in base-4 representation of n).

Table of values

List of values

n	a(n)
0	0
1	2
2	4
3	6
4	5
5	7
6	9
7	11
8	10
9	12
10	14
11	16
12	15
13	17
14	19
15	21
16	17
17	19
18	21
19	23
20	22
21	24
22	26
23	28
24	27
25	29
26	31
27	33
28	32
29	34
30	36
31	38
32	34
33	36
34	38
35	40
36	39
37	41
38	43
39	45
40	44
41	46
42	48
43	50
44	49
45	51
46	53
47	55
48	51
49	53
50	55
51	57
52	56
53	58
54	60
55	62
56	61
57	63
58	65
59	67
60	66
61	68
62	70
63	72
64	65
65	67
66	69
67	71
68	70
69	72
70	74
71	76
72	75
73	77
74	79
75	81
76	80
77	82
78	84
79	86
80	82

n	a(n)
0	0
1	2
2	4
3	6
4	5
5	7
6	9
7	11
8	10
9	12
10	14
11	16
12	15
13	17
14	19
15	21
16	17
17	19
18	21
19	23
20	22
21	24
22	26
23	28
24	27
25	29
26	31
27	33
28	32
29	34
30	36
31	38
32	34
33	36
34	38
35	40
36	39
37	41
38	43
39	45
40	44
41	46
42	48
43	50
44	49
45	51
46	53
47	55
48	51
49	53
50	55
51	57
52	56
53	58
54	60
55	62
56	61
57	63
58	65
59	67
60	66
61	68
62	70
63	72
64	65
65	67
66	69
67	71
68	70
69	72
70	74
71	76
72	75
73	77
74	79
75	81
76	80
77	82
78	84
79	86
80	82

n	a(n)
0	0
1	2
2	4
3	6
4	5
5	7
6	9
7	11
8	10
9	12
10	14
11	16
12	15
13	17
14	19
15	21
16	17
17	19
18	21
19	23
20	22
21	24
22	26
23	28
24	27
25	29
26	31
27	33
28	32
29	34
30	36
31	38
32	34
33	36
34	38
35	40
36	39
37	41
38	43
39	45
40	44
41	46
42	48
43	50
44	49
45	51
46	53
47	55
48	51
49	53
50	55
51	57
52	56
53	58
54	60
55	62
56	61
57	63
58	65
59	67
60	66
61	68
62	70
63	72
64	65
65	67
66	69
67	71
68	70
69	72
70	74
71	76
72	75
73	77
74	79
75	81
76	80
77	82
78	84
79	86
80	82