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A157067 as a simple table

na(n)
12
2108
33242
468190
51107920
614692734
7164826956
81604095524
913799638910
10106481351240
11745616925614
124783532975546
1328342922553764
14156153427053890
15804648531335960
163897769097766104
1717828728267167326
1877310179609631564
19318931533062574470

[2,108,3242,68190,1107920,14692734,164826956,
 1604095524,13799638910,106481351240,745616925614,
 4783532975546,28342922553764,156153427053890,
 804648531335960,3897769097766104,
 17828728267167326,77310179609631564,
 318931533062574470]