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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

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

A305242 as a simple table

n a(n)
1 16
2 64
3 86
4 273
5 1134
6 3288
7 11731
8 39986
9 136448
10 468584
11 1601600
12 5492380
13 18813625
14 64449531
15 220814816
16 756519295
17 2591868086
18 8879795487
19 30422648705
20 104229316206
21 357094000366
22 1223419607435
23 4191489089288
24 14360224506528

[16,64,86,273,1134,3288,11731,39986,136448,468584,
 1601600,5492380,18813625,64449531,220814816,
 756519295,2591868086,8879795487,30422648705,
 104229316206,357094000366,1223419607435,
 4191489089288,14360224506528]

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 December 8 20:11 EST 2021. Contains 349596 sequences. (Running on oeis4.)