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A222384 as a simple table

na(n)
124
21024
332768
41048576
533546240
61073741824
734359738368
81099510054912
935184372088832
101125899906842624
1136028796750528512
121152921504606846976
1336893488147419103232
141180591620674461630464
1537778931862957161709568

[24,1024,32768,1048576,33546240,1073741824,
 34359738368,1099510054912,35184372088832,
 1125899906842624,36028796750528512,
 1152921504606846976,36893488147419103232,
 1180591620674461630464,37778931862957161709568]