A064806 - cp's OEIS frontend

A064806 a(n) = n + digital root of n.

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

[2, 4, 6, 8, 10, 12, 14, 16, 18, 11, 13, 15, 17, 19, 21, 23, 25, 27, 20, 22, 24, 26, 28, 30, 32, 34, 36, 29, 31, 33, 35, 37, 39, 41, 43, 45, 38, 40, 42, 44, 46, 48, 50, 52, 54, 47, 49, 51, 53, 55, 57, 59, 61, 63, 56, 58, 60, 62, 64, 66, 68, 70, 72, 65, 67, 69, 71]

cp's OEIS Frontend

A064806 a(n) = n + digital root of n.

Table of values

List of values

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

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

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