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.

A236305 The number of P-positions in the game of Nim with up to 3 piles, allowing for piles of zero, such that the number of objects in each pile does not exceed n.

Table of values

n a(n)
0 1
1 4
2 7
3 16
4 19
5 28
6 43
7 64
8 67
9 76
10 91
11 112
12 139
13 172
14 211
15 256
16 259
17 268
18 283
19 304
20 331
21 364
22 403
23 448
24 499
25 556
26 619
27 688
28 763
29 844
30 931
31 1024
32 1027
33 1036
34 1051
35 1072
36 1099
37 1132
38 1171
39 1216
40 1267
41 1324
42 1387
43 1456
44 1531
45 1612
46 1699

List of values

[1, 4, 7, 16, 19, 28, 43, 64, 67, 76, 91, 112, 139, 172, 211, 256, 259, 268, 283, 304, 331, 364, 403, 448, 499, 556, 619, 688, 763, 844, 931, 1024, 1027, 1036, 1051, 1072, 1099, 1132, 1171, 1216, 1267, 1324, 1387, 1456, 1531, 1612, 1699]