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.

A223530 Triangle S(n,k) by rows: coefficients of 5^(n/2)*(x^(4/5)*d/dx)^n when n=0,2,4,6,...

Table of values

n a(n)
1 1
2 1
3 5
4 6
5 60
6 25
7 66
8 990
9 825
10 125
11 1056
12 21120
13 26400
14 8000
15 625
16 22176
17 554400
18 924000
19 420000
20 65625
21 3125
22 576576
23 17297280
24 36036000
25 21840000
26 5118750
27 487500
28 15625
29 17873856
30 625584960
31 1563962400
32 1184820000
33 370256250
34 52893750
35 3390625
36 78125

List of values

[1, 1, 5, 6, 60, 25, 66, 990, 825, 125, 1056, 21120, 26400, 8000, 625, 22176, 554400, 924000, 420000, 65625, 3125, 576576, 17297280, 36036000, 21840000, 5118750, 487500, 15625, 17873856, 625584960, 1563962400, 1184820000, 370256250, 52893750, 3390625, 78125]