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A207964 as a simple table

na(n)
122
2484
32974
415921
584013
6454223
72439422
813111617
970473286
10378687252
112035364277
1210939217853
1358791177745
14315968826316
151698161503133
169126682840332
1749050798668124
18263620616510219
191416814297314727

[22,484,2974,15921,84013,454223,2439422,13111617,
 70473286,378687252,2035364277,10939217853,
 58791177745,315968826316,1698161503133,
 9126682840332,49050798668124,263620616510219,
 1416814297314727]