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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.

A368479 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = Sum_{j=0..n} 2^j * j^k.

Table of values

n a(n)
0 1
1 0
2 3
3 0
4 2
5 7
6 0
7 2
8 10
9 15
10 0
11 2
12 18
13 34
14 31
15 0
16 2
17 34
18 90
19 98
20 63
21 0
22 2
23 66
24 250
25 346
26 258
27 127
28 0
29 2
30 130
31 714
32 1274
33 1146
34 642
35 255
36 0
37 2
38 258
39 2074
40 4810
41 5274
42 3450
43 1538
44 511
45 0
46 2
47 514
48 6090
49 18458
50 24810
51 19098
52 9722
53 3586
54 1023

List of values

[1, 0, 3, 0, 2, 7, 0, 2, 10, 15, 0, 2, 18, 34, 31, 0, 2, 34, 90, 98, 63, 0, 2, 66, 250, 346, 258, 127, 0, 2, 130, 714, 1274, 1146, 642, 255, 0, 2, 258, 2074, 4810, 5274, 3450, 1538, 511, 0, 2, 514, 6090, 18458, 24810, 19098, 9722, 3586, 1023]