A370004 - cp's OEIS frontend

A370004 Least k>0 such that the decimal expansion of k^2 contains k+n as a substring.

n	a(n)
0	1
1	11
2	2
3	13
4	104
5	14
6	3
7	15
8	108
9	16
10	11
11	17
12	4
13	39
14	18
15	77
16	760
17	19
18	52
19	117
20	5
21	118
22	34
23	21
24	120
25	121
26	22
27	41
28	123
29	23
30	6
31	125
32	12
33	24
34	42
35	128
36	504
37	25
38	352
39	130
40	16
41	26
42	7
43	133
44	377
45	27
46	322
47	135
48	136
49	44
50	26
51	393
52	24
53	747
54	139
55	29
56	8
57	141
58	108
59	142
60	30
61	143
62	22
63	144
64	380
65	31
66	606
67	146
68	1064
69	147
70	32

[1, 11, 2, 13, 104, 14, 3, 15, 108, 16, 11, 17, 4, 39, 18, 77, 760, 19, 52, 117, 5, 118, 34, 21, 120, 121, 22, 41, 123, 23, 6, 125, 12, 24, 42, 128, 504, 25, 352, 130, 16, 26, 7, 133, 377, 27, 322, 135, 136, 44, 26, 393, 24, 747, 139, 29, 8, 141, 108, 142, 30, 143, 22, 144, 380, 31, 606, 146, 1064, 147, 32]

cp's OEIS Frontend

A370004 Least k>0 such that the decimal expansion of k^2 contains k+n as a substring.

Table of values

List of values