A377086 - cp's OEIS frontend

A377086 Number of fixed points under iteration of the map sending a positive integer to the product of its leading base-n digit and the sum of the squares of its base-n digits.

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

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

cp's OEIS Frontend

A377086 Number of fixed points under iteration of the map sending a positive integer to the product of its leading base-n digit and the sum of the squares of its base-n digits.

Table of values

List of values

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

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

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