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A204090 as a simple table

na(n)
01
12
28
334
4134
5498
61786
76274
821778
975074
10257762
11882946
123020354
1310323714
1435270530
15120467458
16411394306
171404773378
184796567042
1916377245698
2055916897282
21190915194882
22651831179266
232225502715906
247598365282306
2525942489251842
2688573293551618

[1,2,8,34,134,498,1786,6274,21778,75074,257762,
 882946,3020354,10323714,35270530,120467458,
 411394306,1404773378,4796567042,16377245698,
 55916897282,190915194882,651831179266,
 2225502715906,7598365282306,25942489251842,
 88573293551618]