login

A208561 as a simple table

na(n)
12
210
368
4464
53168
621632
7147712
81008640
96887424
1047030272
11321142784
122192900096
1314974058496
14102249267200
15698201669632
164767619219456
1732555340398592
18222301769433088
191517971432275968
2010365357302743040

[2,10,68,464,3168,21632,147712,1008640,6887424,
 47030272,321142784,2192900096,14974058496,
 102249267200,698201669632,4767619219456,
 32555340398592,222301769433088,1517971432275968,
 10365357302743040]