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A212593 as a simple table

na(n)
11
28
315
4232
5449
67400
714351
8237832
9461313
107648968
1114836623
12246015528
13477194433
147912700328
1515348206223
16254499628104
17493651049985
188185582834056
1915877514618127
20263276481572712
21510675448527297
228467876653984360

[1,8,15,232,449,7400,14351,237832,461313,7648968,
 14836623,246015528,477194433,7912700328,
 15348206223,254499628104,493651049985,
 8185582834056,15877514618127,263276481572712,
 510675448527297,8467876653984360]