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A068534 as a simple table

na(n)
21
31201
43461763601
557522274700204200328401
631764596032183221357775361004244057832177481618001
719372599572885568957165529710172832947035894754619777993470030014145668169574231766337989087612412837201

[1,1201,3461763601,57522274700204200328401,
 31764596032183221357775361004244057832177481618001\
 ,
 19372599572885568957165529710172832947035894754619\
 77799347003001414566816957423176633798908761241283\
 7201]