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A133752 as a simple table

na(n)
01
1256
265536
316777216
44294967296
51099511627776
6281474976710656
772057594037927936
818446744073709551616
94722366482869645213696
101208925819614629174706176
11309485009821345068724781056

[1,256,65536,16777216,4294967296,1099511627776,
 281474976710656,72057594037927936,
 18446744073709551616,4722366482869645213696,
 1208925819614629174706176,
 309485009821345068724781056]