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A259294 as a simple table

na(n)
1434
23938
331774
4273686
52293928
619528726
7165147350
81402044186
911882217182
10100805628896
11854788219326
127250421894706
1361489557032118
14521532393880894
154423217189081992
1637515428883279070
17318180075628925406

[434,3938,31774,273686,2293928,19528726,165147350,
 1402044186,11882217182,100805628896,854788219326,
 7250421894706,61489557032118,521532393880894,
 4423217189081992,37515428883279070,
 318180075628925406]