A355708 - cp's OEIS frontend

A355708 Irregular triangle read by rows in which row n lists the possible periods for the iterations of the map sum of n-th powers of digits.

n	a(n)
1	1
2	1
3	8
4	1
5	2
6	3
7	1
8	2
9	7
10	1
11	2
12	4
13	6
14	10
15	12
16	22
17	28
18	1
19	2
20	3
21	4
22	10
23	30
24	1
25	2
26	3
27	6
28	12
29	14
30	21
31	27
32	30
33	56
34	92
35	1
36	25
37	154
38	1
39	2
40	3
41	4
42	8
43	10
44	19
45	24
46	28
47	30
48	80
49	93
50	1
51	6
52	7
53	17
54	81
55	123

[1, 1, 8, 1, 2, 3, 1, 2, 7, 1, 2, 4, 6, 10, 12, 22, 28, 1, 2, 3, 4, 10, 30, 1, 2, 3, 6, 12, 14, 21, 27, 30, 56, 92, 1, 25, 154, 1, 2, 3, 4, 8, 10, 19, 24, 28, 30, 80, 93, 1, 6, 7, 17, 81, 123]

cp's OEIS Frontend

A355708 Irregular triangle read by rows in which row n lists the possible periods for the iterations of the map sum of n-th powers of digits.

Table of values

List of values

n	a(n)
1	1
2	1
3	8
4	1
5	2
6	3
7	1
8	2
9	7
10	1
11	2
12	4
13	6
14	10
15	12
16	22
17	28
18	1
19	2
20	3
21	4
22	10
23	30
24	1
25	2
26	3
27	6
28	12
29	14
30	21
31	27
32	30
33	56
34	92
35	1
36	25
37	154
38	1
39	2
40	3
41	4
42	8
43	10
44	19
45	24
46	28
47	30
48	80
49	93
50	1
51	6
52	7
53	17
54	81
55	123

n	a(n)
1	1
2	1
3	8
4	1
5	2
6	3
7	1
8	2
9	7
10	1
11	2
12	4
13	6
14	10
15	12
16	22
17	28
18	1
19	2
20	3
21	4
22	10
23	30
24	1
25	2
26	3
27	6
28	12
29	14
30	21
31	27
32	30
33	56
34	92
35	1
36	25
37	154
38	1
39	2
40	3
41	4
42	8
43	10
44	19
45	24
46	28
47	30
48	80
49	93
50	1
51	6
52	7
53	17
54	81
55	123

n	a(n)
1	1
2	1
3	8
4	1
5	2
6	3
7	1
8	2
9	7
10	1
11	2
12	4
13	6
14	10
15	12
16	22
17	28
18	1
19	2
20	3
21	4
22	10
23	30
24	1
25	2
26	3
27	6
28	12
29	14
30	21
31	27
32	30
33	56
34	92
35	1
36	25
37	154
38	1
39	2
40	3
41	4
42	8
43	10
44	19
45	24
46	28
47	30
48	80
49	93
50	1
51	6
52	7
53	17
54	81
55	123