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A134047 as a simple table

na(n)
01
12
26
350
41586
5182274
670856770
791955753218
8404598404260610
96173936430806583298
10333433524033498566071298
1164757369178015130100982820866
1245786845522362297626576735328694274

[1,2,6,50,1586,182274,70856770,91955753218,
 404598404260610,6173936430806583298,
 333433524033498566071298,
 64757369178015130100982820866,
 45786845522362297626576735328694274]