A371048 - cp's OEIS frontend

A371048 Numbers formed by the rightmost decimal digits of n that are the same as those n^n, where -1 indicates that n <> n^n (mod 10).

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

[0, 1, -1, -1, -1, 5, 6, -1, -1, 9, 0, 11, -1, 3, -1, 5, 16, 7, -1, 9, 0, 21, -1, -1, -1, 25, 6, -1, -1, 9, 0, 31, -1, 3, -1, 5, 36, 7, -1, 9, 0, 41, -1, -1, -1, 5, 6, -1, -1, 49, 0, 51, -1, 3, -1, 5, 56, 57, -1, 9, 0, 61, -1, -1, 5, 6, -1, -1, 9, 0, 71, -1, 3]

cp's OEIS Frontend

A371048 Numbers formed by the rightmost decimal digits of n that are the same as those n^n, where -1 indicates that n <> n^n (mod 10).

Table of values

List of values

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

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

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