A226087 - cp's OEIS frontend

A226087 Number of values k in base n for which the sum of digits of k = sqrt(k).

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

[1, 4, 2, 3, 3, 6, 2, 2, 2, 5, 2, 6, 2, 5, 5, 2, 2, 4, 2, 6, 6, 4, 2, 5, 2, 4, 2, 6, 2, 11, 2, 2, 6, 4, 5, 6, 2, 4, 6, 5, 2, 11, 2, 6, 5, 4, 2, 6, 2, 4, 6, 5, 2, 4, 5, 5, 6, 4, 2, 13, 2, 4, 4, 2, 5, 11, 2, 5, 6, 11, 2, 5, 2, 4, 6, 6, 6, 11, 2, 5, 2, 4, 2, 12, 5]

cp's OEIS Frontend

A226087 Number of values k in base n for which the sum of digits of k = sqrt(k).

Table of values

List of values

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

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

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