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A255936 as a simple table

na(n)
00
10
21
395
423360
517853159
647300505935
7455725535985152
816477833186525760257
92285218507961233452756479
101234874616385516438189472371200
112628743329824106687023439956782224783
1222201933512060923158839975337648286975677119

[0,0,1,95,23360,17853159,47300505935,
 455725535985152,16477833186525760257,
 2285218507961233452756479,
 1234874616385516438189472371200,
 2628743329824106687023439956782224783,
 22201933512060923158839975337648286975677119]