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.

A346049 a(0) = ... = a(4) = 1; a(n) = Sum_{k=1..n-5} a(k) * a(n-k-5).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 0
6 1
7 2
8 3
9 4
10 4
11 4
12 6
13 10
14 16
15 24
16 30
17 37
18 50
19 74
20 116
21 175
22 245
23 332
24 456
25 654
26 981
27 1471
28 2146
29 3056
30 4320
31 6203
32 9119
33 13540
34 19986
35 29134
36 42113
37 61047
38 89398
39 132021
40 195272
41 287547
42 421235
43 616418
44 905161
45 1335648
46 1976407
47 2922982
48 4313230

List of values

[1, 1, 1, 1, 1, 0, 1, 2, 3, 4, 4, 4, 6, 10, 16, 24, 30, 37, 50, 74, 116, 175, 245, 332, 456, 654, 981, 1471, 2146, 3056, 4320, 6203, 9119, 13540, 19986, 29134, 42113, 61047, 89398, 132021, 195272, 287547, 421235, 616418, 905161, 1335648, 1976407, 2922982, 4313230]