A255668 - cp's OEIS frontend

A255668 Number of perfect digital invariants of order n, i.e., numbers equal to the sum of n-th powers of their digits.

n	a(n)
0	1
1	10
2	2
3	6
4	5
5	8
6	3
7	7
8	5
9	6
10	3
11	10
12	2
13	3
14	3
15	2
16	4
17	6
18	2
19	6
20	3
21	4
22	2
23	7
24	5
25	10
26	2
27	9
28	2
29	9
30	2
31	6
32	3
33	5
34	3
35	6
36	3
37	5
38	5
39	7
40	2
41	2
42	4
43	9
44	6
45	9
46	5
47	7
48	2
49	3
50	2
51	4
52	2
53	3
54	6
55	4
56	5
57	4
58	2
59	4
60	4
61	4
62	3
63	7
64	3
65	6
66	3
67	4
68	3
69	3
70	4
71	3
72	4
73	5
74	3
75	4
76	5
77	5
78	3
79	3
80	2
81	3
82	2
83	4
84	3
85	8
86	3
87	5
88	2
89	7
90	3

[1, 10, 2, 6, 5, 8, 3, 7, 5, 6, 3, 10, 2, 3, 3, 2, 4, 6, 2, 6, 3, 4, 2, 7, 5, 10, 2, 9, 2, 9, 2, 6, 3, 5, 3, 6, 3, 5, 5, 7, 2, 2, 4, 9, 6, 9, 5, 7, 2, 3, 2, 4, 2, 3, 6, 4, 5, 4, 2, 4, 4, 4, 3, 7, 3, 6, 3, 4, 3, 3, 4, 3, 4, 5, 3, 4, 5, 5, 3, 3, 2, 3, 2, 4, 3, 8, 3, 5, 2, 7, 3]

cp's OEIS Frontend

A255668 Number of perfect digital invariants of order n, i.e., numbers equal to the sum of n-th powers of their digits.

Table of values

List of values

n	a(n)
0	1
1	10
2	2
3	6
4	5
5	8
6	3
7	7
8	5
9	6
10	3
11	10
12	2
13	3
14	3
15	2
16	4
17	6
18	2
19	6
20	3
21	4
22	2
23	7
24	5
25	10
26	2
27	9
28	2
29	9
30	2
31	6
32	3
33	5
34	3
35	6
36	3
37	5
38	5
39	7
40	2
41	2
42	4
43	9
44	6
45	9
46	5
47	7
48	2
49	3
50	2
51	4
52	2
53	3
54	6
55	4
56	5
57	4
58	2
59	4
60	4
61	4
62	3
63	7
64	3
65	6
66	3
67	4
68	3
69	3
70	4
71	3
72	4
73	5
74	3
75	4
76	5
77	5
78	3
79	3
80	2
81	3
82	2
83	4
84	3
85	8
86	3
87	5
88	2
89	7
90	3

n	a(n)
0	1
1	10
2	2
3	6
4	5
5	8
6	3
7	7
8	5
9	6
10	3
11	10
12	2
13	3
14	3
15	2
16	4
17	6
18	2
19	6
20	3
21	4
22	2
23	7
24	5
25	10
26	2
27	9
28	2
29	9
30	2
31	6
32	3
33	5
34	3
35	6
36	3
37	5
38	5
39	7
40	2
41	2
42	4
43	9
44	6
45	9
46	5
47	7
48	2
49	3
50	2
51	4
52	2
53	3
54	6
55	4
56	5
57	4
58	2
59	4
60	4
61	4
62	3
63	7
64	3
65	6
66	3
67	4
68	3
69	3
70	4
71	3
72	4
73	5
74	3
75	4
76	5
77	5
78	3
79	3
80	2
81	3
82	2
83	4
84	3
85	8
86	3
87	5
88	2
89	7
90	3

n	a(n)
0	1
1	10
2	2
3	6
4	5
5	8
6	3
7	7
8	5
9	6
10	3
11	10
12	2
13	3
14	3
15	2
16	4
17	6
18	2
19	6
20	3
21	4
22	2
23	7
24	5
25	10
26	2
27	9
28	2
29	9
30	2
31	6
32	3
33	5
34	3
35	6
36	3
37	5
38	5
39	7
40	2
41	2
42	4
43	9
44	6
45	9
46	5
47	7
48	2
49	3
50	2
51	4
52	2
53	3
54	6
55	4
56	5
57	4
58	2
59	4
60	4
61	4
62	3
63	7
64	3
65	6
66	3
67	4
68	3
69	3
70	4
71	3
72	4
73	5
74	3
75	4
76	5
77	5
78	3
79	3
80	2
81	3
82	2
83	4
84	3
85	8
86	3
87	5
88	2
89	7
90	3