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.

A167787 Triangle of z Transform coefficients from General Pascal [1,10,1} A142459 polynomials multiplied by factor 3^Floor[(2*k - 1)/3].

Table of values

n a(n)
0 0
1 3
2 3
3 6
4 9
5 54
6 54
7 27
8 324
9 810
10 540
11 27
12 432
13 2322
14 3780
15 1890
16 81
17 810
18 12150
19 42120
20 51030
21 20412
22 243
23 3402
24 27216
25 272160
26 697410
27 673596
28 224532
29 243
30 34020
31 40824
32 244944
33 1786050
34 3633336
35 2918916
36 833976
37 729
38 104976
39 1583388
40 1224720

List of values

[0, 3, 3, 6, 9, 54, 54, 27, 324, 810, 540, 27, 432, 2322, 3780, 1890, 81, 810, 12150, 42120, 51030, 20412, 243, 3402, 27216, 272160, 697410, 673596, 224532, 243, 34020, 40824, 244944, 1786050, 3633336, 2918916, 833976, 729, 104976, 1583388, 1224720]