A358702 - cp's OEIS frontend

A358702 a(n) is the least k > 0 such that the sum of the decimal digits of k^2 is n, or 0 if no such k exists.

n	a(n)
1	1
2	0
3	0
4	2
5	0
6	0
7	4
8	0
9	3
10	8
11	0
12	0
13	7
14	0
15	0
16	13
17	0
18	24
19	17
20	0
21	0
22	43
23	0
24	0
25	67
26	0
27	63
28	134
29	0
30	0
31	83
32	0
33	0
34	167
35	0
36	264
37	314
38	0
39	0
40	313
41	0
42	0
43	707
44	0
45	1374
46	836
47	0
48	0
49	1667
50	0
51	0
52	2236
53	0
54	3114
55	4472
56	0
57	0
58	6833
59	0
60	0
61	8167
62	0
63	8937
64	16667
65	0
66	0
67	21886
68	0
69	0
70	29614

[1, 0, 0, 2, 0, 0, 4, 0, 3, 8, 0, 0, 7, 0, 0, 13, 0, 24, 17, 0, 0, 43, 0, 0, 67, 0, 63, 134, 0, 0, 83, 0, 0, 167, 0, 264, 314, 0, 0, 313, 0, 0, 707, 0, 1374, 836, 0, 0, 1667, 0, 0, 2236, 0, 3114, 4472, 0, 0, 6833, 0, 0, 8167, 0, 8937, 16667, 0, 0, 21886, 0, 0, 29614]

cp's OEIS Frontend

A358702 a(n) is the least k > 0 such that the sum of the decimal digits of k^2 is n, or 0 if no such k exists.

Table of values

List of values