login

A212259 as a simple table

na(n)
20
30
40
51
610
765
8385
92345
1015204
11105880
12793210
136382860
1455020966
15506505272
164963812035
1751629528080
18568303728360
196602266433920
2080751432154868
211037402030622720
2213968636570706370
23196748236140538368
242893482720437769317
2544355269272024284160

[0,0,0,1,10,65,385,2345,15204,105880,793210,
 6382860,55020966,506505272,4963812035,51629528080,
 568303728360,6602266433920,80751432154868,
 1037402030622720,13968636570706370,
 196748236140538368,2893482720437769317,
 44355269272024284160]