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.

A193730 Triangular array: the fusion of polynomial sequences P and Q given by p(n,x) = (2x+1)^n and q(n,x) = (2x+1)^n.

Table of values

n a(n)
0 1
1 2
2 1
3 4
4 8
5 3
6 8
7 28
8 30
9 9
10 16
11 80
12 144
13 108
14 27
15 32
16 208
17 528
18 648
19 378
20 81
21 64
22 512
23 1680
24 2880
25 2700
26 1296
27 243
28 128
29 1216
30 4896
31 10800
32 14040
33 10692
34 4374
35 729
36 256
37 2816
38 13440
39 36288
40 60480
41 63504
42 40824
43 14580
44 2187
45 512
46 6400
47 35328
48 112896
49 229824
50 308448
51 272160
52 151632
53 48114
54 6561

List of values

[1, 2, 1, 4, 8, 3, 8, 28, 30, 9, 16, 80, 144, 108, 27, 32, 208, 528, 648, 378, 81, 64, 512, 1680, 2880, 2700, 1296, 243, 128, 1216, 4896, 10800, 14040, 10692, 4374, 729, 256, 2816, 13440, 36288, 60480, 63504, 40824, 14580, 2187, 512, 6400, 35328, 112896, 229824, 308448, 272160, 151632, 48114, 6561]