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A168898 as a simple table

na(n)
01
129
2812
322736
4636608
517825024
6499100672
713974818816
8391294926848
910956257951744
10306775222648832
118589706234167296
12240511774556684288
136734329687587160064
14188561231252440481792
155279714475068333490176

[1,29,812,22736,636608,17825024,499100672,
 13974818816,391294926848,10956257951744,
 306775222648832,8589706234167296,
 240511774556684288,6734329687587160064,
 188561231252440481792,5279714475068333490176]