cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A236383 Smallest k such that k^2 is a concatenation of two numbers x and y where y = x + n^2 and x and y have the same number of digits.

Table of values

n a(n)
1 428
2 453
3 465
4 381
5 369
6 358
7 917
8 421
9 394
10 452
11 704
12 716
13 442
14 833
15 323
16 380
17 347
18 697
19 8376
20 449
21 3994
22 407
23 439
24 431
25 4770
26 6961
27 391
28 336
29 3533
30 4277
31 7915
32 36332
33 7705
34 4487
35 3323
36 8869
37 8942
38 3250
39 4560
40 7632
41 90951
42 7988
43 4204
44 3606
45 8586
46 72774

List of values

[428, 453, 465, 381, 369, 358, 917, 421, 394, 452, 704, 716, 442, 833, 323, 380, 347, 697, 8376, 449, 3994, 407, 439, 431, 4770, 6961, 391, 336, 3533, 4277, 7915, 36332, 7705, 4487, 3323, 8869, 8942, 3250, 4560, 7632, 90951, 7988, 4204, 3606, 8586, 72774]