A120485 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

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 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A120485 as a simple table

n	a(n)
0	1
1	1
2	3
3	20
4	190
5	2313
6	34461
7	607408
8	12360636
9	285188825
10	7356173275
11	209762134236
12	6552069616170
13	222481706868337
14	8159714626124985
15	321456928026650816
16	13538204870285608696
17	606979028986115413329

[1,1,3,20,190,2313,34461,607408,12360636, 285188825,7356173275,209762134236,6552069616170, 222481706868337,8159714626124985, 321456928026650816,13538204870285608696, 606979028986115413329]