A114498 - 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

A114498 as a simple table

n	a(n)
0	1
1	4
2	3432
3	50160
4	54035520
5	1284433920
6	456335953920
7	8825233697280
8	641668847339520
9	227019837729484800
10	28897358537888096256
11	2600752842642898944
12	34366074253507451879424
13	132424388815310703820800

[1,4,3432,50160,54035520,1284433920,456335953920, 8825233697280,641668847339520,227019837729484800, 28897358537888096256,2600752842642898944, 34366074253507451879424,132424388815310703820800]