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A246238 as a simple table

na(n)
00
11
29
3126
42028
535919
6674964
713225632
8267188229
95525568297
10116400215521
112488984609644
1253883301460607
131178671076752803
1426011822261355487
15578441979200964897
1612948907700868521142
17291569232606979152321
186599274332502483541080

[0,1,9,126,2028,35919,674964,13225632,267188229,
 5525568297,116400215521,2488984609644,
 53883301460607,1178671076752803,26011822261355487,
 578441979200964897,12948907700868521142,
 291569232606979152321,6599274332502483541080]