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A148668 as a simple table

na(n)
01
11
23
37
419
560
6185
7555
81841
95956
1019505
1166820
12225634
13756816
142642845
159115115
1631500557
17111381604
18390731927
191366403748
204883389422
2117318135888
2261435889157
23221076079788
24791460173438
252827876747472
2610242954731014
2736908672701072
28132984499210420
29483857249063680
301754050251660429

[1,1,3,7,19,60,185,555,1841,5956,19505,66820,
 225634,756816,2642845,9115115,31500557,111381604,
 390731927,1366403748,4883389422,17318135888,
 61435889157,221076079788,791460173438,
 2827876747472,10242954731014,36908672701072,
 132984499210420,483857249063680,1754050251660429]