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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.

A269565 Array read by antidiagonals: T(n,m) is the number of (directed) Hamiltonian paths in K_n X K_m.

Table of values

n a(n)
1 1
2 2
3 2
4 6
5 8
6 6
7 24
8 60
9 60
10 24
11 120
12 816
13 1512
14 816
15 120
16 720
17 17520
18 83520
19 83520
20 17520
21 720
22 5040
23 550080
24 8869680
25 22394880
26 8869680
27 550080
28 5040
29 40320
30 23839200
31 1621680480
32 13346910720
33 13346910720
34 1621680480
35 23839200
36 40320

List of values

[1, 2, 2, 6, 8, 6, 24, 60, 60, 24, 120, 816, 1512, 816, 120, 720, 17520, 83520, 83520, 17520, 720, 5040, 550080, 8869680, 22394880, 8869680, 550080, 5040, 40320, 23839200, 1621680480, 13346910720, 13346910720, 1621680480, 23839200, 40320]

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

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