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.

A137227 Triangle T(n, k) = n^(n-1) * Fibonacci(k)^(n+1) - (n-1)! * (Fibonacci(k) - 1) * Sum_{j=0..n} (n*Fibonacci(k))^j/j!, with T(n, 0) = n! and T(n, 1) = n^(n-1), read by rows.

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 2
5 2
6 6
7 9
8 9
9 22
10 24
11 64
12 64
13 266
14 708
15 120
16 625
17 625
18 4536
19 17457
20 108129
21 720
22 7776
23 7776
24 100392
25 563088
26 5709120
27 52517688
28 5040
29 117649
30 117649
31 2739472
32 22516209
33 375217945
34 5489293264
35 92757410569
36 40320
37 2097152
38 2097152
39 89020752
40 1076444064
41 29566405440
42 688833593904
43 18867973329344
44 513683908057152

List of values

[1, 1, 1, 2, 2, 2, 6, 9, 9, 22, 24, 64, 64, 266, 708, 120, 625, 625, 4536, 17457, 108129, 720, 7776, 7776, 100392, 563088, 5709120, 52517688, 5040, 117649, 117649, 2739472, 22516209, 375217945, 5489293264, 92757410569, 40320, 2097152, 2097152, 89020752, 1076444064, 29566405440, 688833593904, 18867973329344, 513683908057152]