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!)

A143955 as a simple table

n a(n)
0 0
1 0
2 0
3 1
4 6
5 26
6 101
7 376
8 1377
9 5017
10 18277
11 66727
12 244377
13 898129
14 3312554
15 12260129
16 45526754
17 169588754
18 633580634
19 2373550184
20 8914719134
21 33562602134
22 126640791884
23 478848661898
24 1814142235028
25 6885560250148

[0,0,0,1,6,26,101,376,1377,5017,18277,66727,
 244377,898129,3312554,12260129,45526754,169588754,
 633580634,2373550184,8914719134,33562602134,
 126640791884,478848661898,1814142235028,
 6885560250148]

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 June 6 08:44 EDT 2020. Contains 334859 sequences. (Running on oeis4.)