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A249927 as a simple table

na(n)
01
11
24
340
4485
56585
695732
71457636
822947585
9370494965
106101028934
11102074877086
121730213141683
1329649526507055
14512810063004600
158940267160930408
16156944360941491106
172771866193105829798
1849218079130561578390
19878107603236732844610
2015733529061871743649380

[1,1,4,40,485,6585,95732,1457636,22947585,
 370494965,6101028934,102074877086,1730213141683,
 29649526507055,512810063004600,8940267160930408,
 156944360941491106,2771866193105829798,
 49218079130561578390,878107603236732844610,
 15733529061871743649380]