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A262046 as a simple table

na(n)
00
10
22
36
454
5460
63890
742364
8512806
96698724
1098496252
111585046584
1227568171818
13520043947020
1410550553510016
15228796551051436
165291441028244966
17129967582592816500
183377869204044947060
1992652519380506887784
202674716530794339146244

[0,0,2,6,54,460,3890,42364,512806,6698724,
 98496252,1585046584,27568171818,520043947020,
 10550553510016,228796551051436,5291441028244966,
 129967582592816500,3377869204044947060,
 92652519380506887784,2674716530794339146244]