login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A019266 as a simple table

n a(n)
0 1
1 0
2 4
3 12
4 56
5 280
6 1488
7 8232
8 47008
9 274824
10 1636520
11 9890584
12 60510480
13 374019776
14 2332131872
15 14651535840
16 92653845120
17 589317728376
18 3767523372432
19 24196006128592
20 156030800105840

[1,0,4,12,56,280,1488,8232,47008,274824,1636520,
 9890584,60510480,374019776,2332131872,14651535840,
 92653845120,589317728376,3767523372432,
 24196006128592,156030800105840]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 28 19:19 EST 2021. Contains 349415 sequences. (Running on oeis4.)