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A056425 as a simple table

na(n)
10
20
31
46
59
655
751
8252
9379
101491
111611
1212236
1310245
1457057
15121711
16345888
17474489
183589099
193397143
2021983298
2141570721
22142617777
23186027579
241476401628
251694455311
268146623393
2715690140775

[0,0,1,6,9,55,51,252,379,1491,1611,12236,10245,
 57057,121711,345888,474489,3589099,3397143,
 21983298,41570721,142617777,186027579,1476401628,
 1694455311,8146623393,15690140775]