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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.

A227715 Triangle read by rows: Number of 2n-step self-avoiding walks on diamond lattice ending at point with x = 2k.

Table of values

n a(n)
0 1
1 4
2 4
3 28
4 24
5 16
6 188
7 188
8 128
9 64
10 1428
11 1368
12 1120
13 640
14 256
15 10708
16 10572
17 8864
18 6208
19 3072
20 1024
21 82948
22 81376
23 71572
24 53376
25 32768
26 14336
27 4096
28 644788
29 637148
30 570512
31 453424
32 304640
33 166912
34 65536
35 16384
36 5067404
37 5007560
38 4572076
39 3762672
40 2728256
41 1669120

List of values

[1, 4, 4, 28, 24, 16, 188, 188, 128, 64, 1428, 1368, 1120, 640, 256, 10708, 10572, 8864, 6208, 3072, 1024, 82948, 81376, 71572, 53376, 32768, 14336, 4096, 644788, 637148, 570512, 453424, 304640, 166912, 65536, 16384, 5067404, 5007560, 4572076, 3762672, 2728256, 1669120]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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