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!)

A330658 as a simple table

n a(n)
0 1
1 1
2 1
3 23
4 1608
5 371500
6 328956227
7 1126022690953
8 14806761014366079
9 744494518032208898560
10 142687918961909575461700797
11 103997384424546478979311463191760
12 287748628673335369235353717267441839979
13 3018422667417995172483450578913829739500058615

[1,1,1,23,1608,371500,328956227,1126022690953,
 14806761014366079,744494518032208898560,
 142687918961909575461700797,
 103997384424546478979311463191760,
 287748628673335369235353717267441839979,
 3018422667417995172483450578913829739500058615]

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 20:17 EST 2021. Contains 349425 sequences. (Running on oeis4.)