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.

A238188 a(n) = 4*a(n-4) + 6*a(n-8) + 4*a(n-12) + a(n-16) for n>15, with the sixteen initial values as shown.

Table of values

n a(n)
0 0
1 0
2 1
3 1
4 2
5 2
6 2
7 3
8 9
9 11
10 13
11 15
12 48
13 57
14 68
15 81
16 254
17 302
18 359
19 427
20 1342
21 1596
22 1898
23 2257
24 7093
25 8435
26 10031
27 11929
28 37488
29 44581
30 53016
31 63047
32 198132
33 235620
34 280201
35 333217
36 1047170
37 1245302
38 1480922
39 1761123
40 5534517
41 6581687
42 7826989
43 9307911
44 29251104
45 34785621
46 41367308

List of values

[0, 0, 1, 1, 2, 2, 2, 3, 9, 11, 13, 15, 48, 57, 68, 81, 254, 302, 359, 427, 1342, 1596, 1898, 2257, 7093, 8435, 10031, 11929, 37488, 44581, 53016, 63047, 198132, 235620, 280201, 333217, 1047170, 1245302, 1480922, 1761123, 5534517, 6581687, 7826989, 9307911, 29251104, 34785621, 41367308]