A290647 - cp's OEIS frontend

A290647 a(n) is the position of first occurrence of n^2 in the concatenation of the positive integers in decimal representation.

n	a(n)
1	1
2	4
3	9
4	22
5	40
6	62
7	88
8	83
9	27
10	190
11	14
12	322
13	397
14	478
15	565
16	658
17	757
18	37
19	299
20	1090
21	323
22	86
23	777
24	141
25	660
26	124
27	783
28	1325
29	443
30	2590
31	479
32	2986
33	3246
34	3514
35	3790
36	4074
37	4366
38	4666
39	346
40	5290
41	394
42	5946
43	6286
44	6634
45	6990
46	3541
47	7261
48	8106
49	3851
50	8890
51	3931
52	9706
53	10126
54	5408
55	9012
56	4345
57	8865
58	981
59	4283
60	13290
61	4379

[1, 4, 9, 22, 40, 62, 88, 83, 27, 190, 14, 322, 397, 478, 565, 658, 757, 37, 299, 1090, 323, 86, 777, 141, 660, 124, 783, 1325, 443, 2590, 479, 2986, 3246, 3514, 3790, 4074, 4366, 4666, 346, 5290, 394, 5946, 6286, 6634, 6990, 3541, 7261, 8106, 3851, 8890, 3931, 9706, 10126, 5408, 9012, 4345, 8865, 981, 4283, 13290, 4379]

cp's OEIS Frontend

A290647 a(n) is the position of first occurrence of n^2 in the concatenation of the positive integers in decimal representation.

Table of values

List of values