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.

A323471 On a spirally numbered square grid, with labels starting at 1, this is the number of the last cell that a (1,n) leaper reaches before getting trapped, or -1 if it never gets trapped.

Table of values

n a(n)
1 -1
2 2084
3 7081
4 10847
5 25963
6 22421
7 202891
8 142679
9 252953
10 188501
11 257479
12 604328
13 667827
14 57217
15 115497
16 231930
17 203331
18 283651
19 426851
20 153521
21 231299
22 142267
23 236487
24 149872
25 204527
26 215033
27 285983
28 188082
29 153461
30 128802
31 213853
32 202259
33 94967
34 224778

List of values

[-1, 2084, 7081, 10847, 25963, 22421, 202891, 142679, 252953, 188501, 257479, 604328, 667827, 57217, 115497, 231930, 203331, 283651, 426851, 153521, 231299, 142267, 236487, 149872, 204527, 215033, 285983, 188082, 153461, 128802, 213853, 202259, 94967, 224778]