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!)

A262468 as a simple table

n a(n)
1 1
2 11
3 121
4 457
5 2413
6 22907
7 239281
8 2028469
9 19072681
10 195594107
11 2033050681
12 20694058921
13 213513561709
14 2238052993835
15 23529091943281
16 247329143808181
17 2608684587258313
18 27709182321786251
19 294872156127246841

[1,11,121,457,2413,22907,239281,2028469,19072681,
 195594107,2033050681,20694058921,213513561709,
 2238052993835,23529091943281,247329143808181,
 2608684587258313,27709182321786251,
 294872156127246841]

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 13:07 EST 2021. Contains 349419 sequences. (Running on oeis4.)