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A148490 as a simple table

na(n)
01
11
22
36
421
575
6284
71109
84470
918453
1077433
11329126
121415834
136149299
1426931302
15118780241
16527010199
172350740211
1810534962936
1947408681317
20214136796301
21970426128408
224410950701961
2320104046171859
2491856203336505
25420644431533937
261930293373533896
278874862002582146
2840875930281689623

[1,1,2,6,21,75,284,1109,4470,18453,77433,329126,
 1415834,6149299,26931302,118780241,527010199,
 2350740211,10534962936,47408681317,214136796301,
 970426128408,4410950701961,20104046171859,
 91856203336505,420644431533937,1930293373533896,
 8874862002582146,40875930281689623]