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!)

A307400 as a simple table

n a(n)
0 1
1 1
2 2
3 9
4 28
5 109
6 440
7 1790
8 7537
9 32300
10 140438
11 618608
12 2753510
13 12366672
14 55973926
15 255059808
16 1169143476
17 5387268256
18 24940059514
19 115943355422
20 541047868905
21 2533458659581
22 11900017205866
23 56055896316345
24 264748474342341
25 1253414056154014
26 5947373587731308

[1,1,2,9,28,109,440,1790,7537,32300,140438,618608,
 2753510,12366672,55973926,255059808,1169143476,
 5387268256,24940059514,115943355422,541047868905,
 2533458659581,11900017205866,56055896316345,
 264748474342341,1253414056154014,5947373587731308]

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 May 6 23:44 EDT 2021. Contains 343602 sequences. (Running on oeis4.)