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.

A283330 a(n) = (1 + Sum_{j=1..K-1} a(n-j) + a(n-1)*a(n-K+1))/a(n-K) with a(1),...,a(K)=1, where K=5.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 6
7 16
8 41
9 106
10 806
11 2311
12 6126
13 16066
14 122401
15 351136
16 931006
17 2441881
18 18604041
19 53370241
20 141506681
21 371149801
22 2827691726
23 8111925376
24 21508084401
25 56412327826
26 429790538206
27 1232959286791
28 3269087322166
29 8574302679706
30 65325334115481

List of values

[1, 1, 1, 1, 1, 6, 16, 41, 106, 806, 2311, 6126, 16066, 122401, 351136, 931006, 2441881, 18604041, 53370241, 141506681, 371149801, 2827691726, 8111925376, 21508084401, 56412327826, 429790538206, 1232959286791, 3269087322166, 8574302679706, 65325334115481]