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.

A309918 The number of steps for a knight to be trapped when moving on a spirally numbered 2D grid and starting at square n.

Table of values

n a(n)
1 2016
2 880
3 2741
4 857
5 2741
6 857
7 2741
8 3611
9 2590
10 1540
11 1846
12 2061
13 4892
14 1047
15 4139
16 753
17 3559
18 590
19 426
20 1205
21 1140
22 2759
23 3830
24 4687
25 1839
26 2101
27 2861
28 5892
29 5500
30 1295
31 2674
32 1213
33 890
34 1839
35 2749
36 6531
37 1118
38 3632
39 1496
40 2888
41 1995
42 2574
43 2713
44 495
45 1479
46 5509
47 1414
48 3926
49 1078

List of values

[2016, 880, 2741, 857, 2741, 857, 2741, 3611, 2590, 1540, 1846, 2061, 4892, 1047, 4139, 753, 3559, 590, 426, 1205, 1140, 2759, 3830, 4687, 1839, 2101, 2861, 5892, 5500, 1295, 2674, 1213, 890, 1839, 2749, 6531, 1118, 3632, 1496, 2888, 1995, 2574, 2713, 495, 1479, 5509, 1414, 3926, 1078]