A370210 - 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

A370210 as a simple table

n	a(n)
1	0
2	0
3	0
4	3
5	15
6	97
7	597
8	5098
9	47746
10	582342
11	7691278
12	125339157
13	2195109753
14	45664819407
15	1013323126923
16	26022340062564
17	709267685968788
18	21939269071805596
19	717007984481424300
20	26196923530426606903

[0,0,0,3,15,97,597,5098,47746,582342,7691278, 125339157,2195109753,45664819407,1013323126923, 26022340062564,709267685968788,21939269071805596, 717007984481424300,26196923530426606903]