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A223568 as a simple table

na(n)
1128
216384
31075648
445914176
51554251776
647016116224
71363467370496
839540553744384
91146676058587136
1033253605699026944
11964354565271781376
1227966282392881659904
13811022189393568137216
1423519643492413475979264

[128,16384,1075648,45914176,1554251776,
 47016116224,1363467370496,39540553744384,
 1146676058587136,33253605699026944,
 964354565271781376,27966282392881659904,
 811022189393568137216,23519643492413475979264]