A013428 - 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

A013428 as a simple table

n	a(n)
0	1
1	0
2	0
3	90
4	-1176
5	185094
6	5520372
7	1212373162
8	360563171248
9	54782671966798
10	28420007004983564
11	9501613654091931218
12	4976784878396711868488
13	2978748297366502676647350

[1,0,0,90,-1176,185094,5520372,1212373162, 360563171248,54782671966798,28420007004983564, 9501613654091931218,4976784878396711868488, 2978748297366502676647350]