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!)

A252678 as a simple table

n a(n)
1 3654
2 10933
3 42376
4 147462
5 722737
6 2879551
7 10457376
8 51419273
9 205046275
10 746995324
11 3673397944
12 14669046377
13 53468954588
14 262743913893
15 1050205375254
16 3829514694020
17 18804575963835
18 75225508336924
19 274407640324926

[3654,10933,42376,147462,722737,2879551,10457376,
 51419273,205046275,746995324,3673397944,
 14669046377,53468954588,262743913893,
 1050205375254,3829514694020,18804575963835,
 75225508336924,274407640324926]

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 30 17:12 EST 2021. Contains 349424 sequences. (Running on oeis4.)