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.

A006865 Number of Hamiltonian cycles in P_5 X P_{2n}: a(n) = 11*a(n-1) + 2*a(n-3).

Table of values

n a(n)
1 1
2 14
3 154
4 1696
5 18684
6 205832
7 2267544
8 24980352
9 275195536
10 3031685984
11 33398506528
12 367933962880
13 4053336963648
14 44653503613184
15 491924407670784
16 5419275158305920
17 59701333748591488
18 657698520049847936
19 7245522270864939136
20 79820147647011513472

List of values

[1, 14, 154, 1696, 18684, 205832, 2267544, 24980352, 275195536, 3031685984, 33398506528, 367933962880, 4053336963648, 44653503613184, 491924407670784, 5419275158305920, 59701333748591488, 657698520049847936, 7245522270864939136, 79820147647011513472]

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

Content is available under The OEIS End-User License Agreement.