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A371870 as a simple table

na(n)
01
11
24
314
451
5189
6709
72683
810220
939130
10150438
11580328
122245004
138705686
1433828704
15131688362
16513445147
172004688605
187836832057
1930670416703
20120153739079
21471143251989
221848978071615
237261781367389
2428540427527441
25112243216215879
26441693646453729

[1,1,4,14,51,189,709,2683,10220,39130,150438,
 580328,2245004,8705686,33828704,131688362,
 513445147,2004688605,7836832057,30670416703,
 120153739079,471143251989,1848978071615,
 7261781367389,28540427527441,112243216215879,
 441693646453729]