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

 

Logo

Please make a donation to keep the OEIS running. We are now in our 56th year. In the past year we added 10000 new sequences and reached almost 9000 citations (which often say "discovered thanks to the OEIS").
Other ways to donate

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

A258488 as a simple table

n a(n)
1 1
2 1
3 41
4 31732
5 106420469
6 1046976648840
7 24085106680575625
8 1117767454807330938472
9 94308987414050519542935029
10 13390317159105772877158700776107
11 3014130596940522685213135526859317500
12 1025828273466214412416440210115479183065903
13 507888918625036626314714587415852381698509422634

[1,1,41,31732,106420469,1046976648840,
 24085106680575625,1117767454807330938472,
 94308987414050519542935029,
 13390317159105772877158700776107,
 3014130596940522685213135526859317500,
 1025828273466214412416440210115479183065903,
 507888918625036626314714587415852381698509422634]

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 23 16:18 EST 2020. Contains 338590 sequences. (Running on oeis4.)