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A230863 as a simple table

na(n)
10
21
32
44
58
616
764
8256
94096
1065536
1116777216
124294967296
131208925819614629174706176
14340282366920938463463374607431768211456
152135987035920910082395021706169552114602704522356652769947041607822219725780640550022962086936576

[0,1,2,4,8,16,64,256,4096,65536,16777216,
 4294967296,1208925819614629174706176,
 340282366920938463463374607431768211456,
 21359870359209100823950217061695521146027045223566\
 52769947041607822219725780640550022962086936576]