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A228415 as a simple table

na(n)
01
17
254
3534
44909
545405
6385008
73539880
832260781
9294001190
102564080248
1123271246324
12211753431947

[1,7,54,534,4909,45405,385008,3539880,32260781,
 294001190,2564080248,23271246324,211753431947]