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A137398 as a simple table

na(n)
10
21
32
47
522
674
7252
8875
93078
1010950
1139316
12142278
13518364
141899668
156997688
1625894579
1796211398
18358779118
191342323364
205037146738
2118953759988
2271497359884
23270321915848
241024217489278
253888253473180
2614787937448380
2756337410614088
28214967841333868
29821473056041464
303143521372849960

[0,1,2,7,22,74,252,875,3078,10950,39316,142278,
 518364,1899668,6997688,25894579,96211398,
 358779118,1342323364,5037146738,18953759988,
 71497359884,270321915848,1024217489278,
 3888253473180,14787937448380,56337410614088,
 214967841333868,821473056041464,3143521372849960]