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A026033 as a simple table

na(n)
01
14
228
3220
41819
515484
6134320
71180764
810482340
993766288
10843822148
117631018564
1269291185474
13631334484200
145769124912320
1552851389067420
16485242722376524
174463782855666480
1841133265444555120

[1,4,28,220,1819,15484,134320,1180764,10482340,
 93766288,843822148,7631018564,69291185474,
 631334484200,5769124912320,52851389067420,
 485242722376524,4463782855666480,
 41133265444555120]