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A274733 as a simple table

na(n)
11
21
38
426
5123
6334
71295
83222
910172
1025300
1169258
12161259
13417582
14925972
152200395
164794092
1710769222
1822543912
1948728784
2098926942

[1,1,8,26,123,334,1295,3222,10172,25300,69258,
 161259,417582,925972,2200395,4794092,10769222,
 22543912,48728784,98926942]