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A246983 as a simple table

na(n)
01
10
21
31
45
55
619
727
876
9136
10330
11626
121391
132676
145497
1510425
1620201
1737182
1868713
19122489
20217275
21375356
22642745
231077968
241789674
252920958
264717966
277511437
2811838092
2918425307
3028403043
3143304420
3265429758
3397892886

[1,0,1,1,5,5,19,27,76,136,330,626,1391,2676,5497,
 10425,20201,37182,68713,122489,217275,375356,
 642745,1077968,1789674,2920958,4717966,7511437,
 11838092,18425307,28403043,43304420,65429758,
 97892886]