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A028206 as a simple table

na(n)
01
134
2733
312826
4199213
52869258
639283021
7519148762
86689833645
984640449322
101056561931789
1113058296545658
12160199367141997
131954490541959626
1423747047106341837
15287633422522201114

[1,34,733,12826,199213,2869258,39283021,519148762,
 6689833645,84640449322,1056561931789,
 13058296545658,160199367141997,1954490541959626,
 23747047106341837,287633422522201114]