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A156863 as a simple table

na(n)
01
111
2484
35324
4234256
52576816
6113379904
71247178944
854875873536
9603634608896
1026559922791424
11292159150705664
1212855002631049216
13141405028941541376
146221821273427820544
1568440034007706025984

[1,11,484,5324,234256,2576816,113379904,
 1247178944,54875873536,603634608896,
 26559922791424,292159150705664,12855002631049216,
 141405028941541376,6221821273427820544,
 68440034007706025984]