A377088 - cp's OEIS frontend

A377088 Number of attractors 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	5
4	2
5	3
6	8
7	6
8	11
9	4
10	16
11	14
12	23
13	18
14	42
15	7
16	24
17	34
18	26
19	58
20	98
21	51
22	99
23	88
24	51
25	57
26	103
27	72
28	89
29	60
30	69
31	35
32	78
33	146
34	39
35	90
36	73
37	11
38	109
39	113
40	71
41	156
42	220
43	93
44	176
45	101
46	132
47	172
48	187
49	10
50	160
51	95
52	221
53	226
54	69
55	55
56	163
57	110
58	137
59	287
60	168
61	69
62	260
63	194
64	208

[1, 5, 2, 3, 8, 6, 11, 4, 16, 14, 23, 18, 42, 7, 24, 34, 26, 58, 98, 51, 99, 88, 51, 57, 103, 72, 89, 60, 69, 35, 78, 146, 39, 90, 73, 11, 109, 113, 71, 156, 220, 93, 176, 101, 132, 172, 187, 10, 160, 95, 221, 226, 69, 55, 163, 110, 137, 287, 168, 69, 260, 194, 208]

cp's OEIS Frontend

A377088 Number of attractors 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	5
4	2
5	3
6	8
7	6
8	11
9	4
10	16
11	14
12	23
13	18
14	42
15	7
16	24
17	34
18	26
19	58
20	98
21	51
22	99
23	88
24	51
25	57
26	103
27	72
28	89
29	60
30	69
31	35
32	78
33	146
34	39
35	90
36	73
37	11
38	109
39	113
40	71
41	156
42	220
43	93
44	176
45	101
46	132
47	172
48	187
49	10
50	160
51	95
52	221
53	226
54	69
55	55
56	163
57	110
58	137
59	287
60	168
61	69
62	260
63	194
64	208

n	a(n)
2	1
3	5
4	2
5	3
6	8
7	6
8	11
9	4
10	16
11	14
12	23
13	18
14	42
15	7
16	24
17	34
18	26
19	58
20	98
21	51
22	99
23	88
24	51
25	57
26	103
27	72
28	89
29	60
30	69
31	35
32	78
33	146
34	39
35	90
36	73
37	11
38	109
39	113
40	71
41	156
42	220
43	93
44	176
45	101
46	132
47	172
48	187
49	10
50	160
51	95
52	221
53	226
54	69
55	55
56	163
57	110
58	137
59	287
60	168
61	69
62	260
63	194
64	208

n	a(n)
2	1
3	5
4	2
5	3
6	8
7	6
8	11
9	4
10	16
11	14
12	23
13	18
14	42
15	7
16	24
17	34
18	26
19	58
20	98
21	51
22	99
23	88
24	51
25	57
26	103
27	72
28	89
29	60
30	69
31	35
32	78
33	146
34	39
35	90
36	73
37	11
38	109
39	113
40	71
41	156
42	220
43	93
44	176
45	101
46	132
47	172
48	187
49	10
50	160
51	95
52	221
53	226
54	69
55	55
56	163
57	110
58	137
59	287
60	168
61	69
62	260
63	194
64	208