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.

A337617 T(n, k) = (n + 1)*2^(n + k)*hypergeom([-n, k - n + 1], [2], 1/2), triangle read by rows for 0 <= k <= n.

Table of values

n a(n)
0 1
1 4
2 6
3 18
4 24
5 28
6 88
7 112
8 128
9 120
10 450
11 560
12 640
13 640
14 496
15 2364
16 2904
17 3328
18 3456
19 3072
20 2016
21 12642
22 15400
23 17696
24 18816
25 17920
26 14336
27 8128
28 68464
29 82912
30 95488
31 103168
32 102400
33 90112
34 65536
35 32640
36 374274
37 451296
38 520704
39 569088
40 580608
41 540672
42 442368
43 294912
44 130816

List of values

[1, 4, 6, 18, 24, 28, 88, 112, 128, 120, 450, 560, 640, 640, 496, 2364, 2904, 3328, 3456, 3072, 2016, 12642, 15400, 17696, 18816, 17920, 14336, 8128, 68464, 82912, 95488, 103168, 102400, 90112, 65536, 32640, 374274, 451296, 520704, 569088, 580608, 540672, 442368, 294912, 130816]