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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.

A156788 Triangle T(n, k) = binomial(n, k)*A000166(n-k)*k^n with T(0, 0) = 1, read by rows.

Table of values

n a(n)
0 1
1 0
2 1
3 0
4 0
5 4
6 0
7 3
8 0
9 27
10 0
11 8
12 96
13 0
14 256
15 0
16 45
17 640
18 2430
19 0
20 3125
21 0
22 264
23 8640
24 29160
25 61440
26 0
27 46656
28 0
29 1855
30 118272
31 688905
32 1146880
33 1640625
34 0
35 823543
36 0
37 14832
38 1899520
39 16166304
40 41287680
41 43750000
42 47029248
43 0
44 16777216
45 0
46 133497
47 34172928
48 438143580
49 1453326336
50 2214843750
51 1693052928
52 1452729852
53 0
54 387420489

List of values

[1, 0, 1, 0, 0, 4, 0, 3, 0, 27, 0, 8, 96, 0, 256, 0, 45, 640, 2430, 0, 3125, 0, 264, 8640, 29160, 61440, 0, 46656, 0, 1855, 118272, 688905, 1146880, 1640625, 0, 823543, 0, 14832, 1899520, 16166304, 41287680, 43750000, 47029248, 0, 16777216, 0, 133497, 34172928, 438143580, 1453326336, 2214843750, 1693052928, 1452729852, 0, 387420489]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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