A072495 - cp's OEIS frontend

A072495 Automorphic numbers: numbers k such that k^21 ends with k. Also m-morphic numbers for any m such that (m-1)/10 is an even integer not divisible by 10.

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	11
12	12
13	13
14	16
15	17
16	19
17	21
18	23
19	24
20	25
21	27
22	28
23	29
24	31
25	32
26	33
27	36
28	37
29	39
30	41
31	43
32	44
33	47
34	48
35	49
36	51
37	52
38	53
39	56
40	57
41	59
42	61
43	63
44	64
45	67
46	68
47	69
48	71
49	72
50	73
51	75
52	76
53	77
54	79
55	81
56	83
57	84
58	87
59	88
60	89
61	91
62	92
63	93
64	96
65	97
66	99
67	101
68	107
69	125
70	143

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 16, 17, 19, 21, 23, 24, 25, 27, 28, 29, 31, 32, 33, 36, 37, 39, 41, 43, 44, 47, 48, 49, 51, 52, 53, 56, 57, 59, 61, 63, 64, 67, 68, 69, 71, 72, 73, 75, 76, 77, 79, 81, 83, 84, 87, 88, 89, 91, 92, 93, 96, 97, 99, 101, 107, 125, 143]

cp's OEIS Frontend

A072495 Automorphic numbers: numbers k such that k^21 ends with k. Also m-morphic numbers for any m such that (m-1)/10 is an even integer not divisible by 10.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	11
12	12
13	13
14	16
15	17
16	19
17	21
18	23
19	24
20	25
21	27
22	28
23	29
24	31
25	32
26	33
27	36
28	37
29	39
30	41
31	43
32	44
33	47
34	48
35	49
36	51
37	52
38	53
39	56
40	57
41	59
42	61
43	63
44	64
45	67
46	68
47	69
48	71
49	72
50	73
51	75
52	76
53	77
54	79
55	81
56	83
57	84
58	87
59	88
60	89
61	91
62	92
63	93
64	96
65	97
66	99
67	101
68	107
69	125
70	143

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	11
12	12
13	13
14	16
15	17
16	19
17	21
18	23
19	24
20	25
21	27
22	28
23	29
24	31
25	32
26	33
27	36
28	37
29	39
30	41
31	43
32	44
33	47
34	48
35	49
36	51
37	52
38	53
39	56
40	57
41	59
42	61
43	63
44	64
45	67
46	68
47	69
48	71
49	72
50	73
51	75
52	76
53	77
54	79
55	81
56	83
57	84
58	87
59	88
60	89
61	91
62	92
63	93
64	96
65	97
66	99
67	101
68	107
69	125
70	143

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	11
12	12
13	13
14	16
15	17
16	19
17	21
18	23
19	24
20	25
21	27
22	28
23	29
24	31
25	32
26	33
27	36
28	37
29	39
30	41
31	43
32	44
33	47
34	48
35	49
36	51
37	52
38	53
39	56
40	57
41	59
42	61
43	63
44	64
45	67
46	68
47	69
48	71
49	72
50	73
51	75
52	76
53	77
54	79
55	81
56	83
57	84
58	87
59	88
60	89
61	91
62	92
63	93
64	96
65	97
66	99
67	101
68	107
69	125
70	143