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A042685 as a simple table

na(n)
01
11
22
315
417
5236
6253
72007
82260
94267
10249746
11254013
12503759
133780326
144284085
1559473431
1663757516
17505776043
18569533559
191075309602
2062937490475
2164012800077
22126950290552
23952664833941
241079615124493
2514987661452350
2616067276576843
27127458597490251

[1,1,2,15,17,236,253,2007,2260,4267,249746,254013,
 503759,3780326,4284085,59473431,63757516,
 505776043,569533559,1075309602,62937490475,
 64012800077,126950290552,952664833941,
 1079615124493,14987661452350,16067276576843,
 127458597490251]