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A148463 as a simple table

na(n)
01
11
22
36
418
563
6238
7921
83724
915481
1065567
11282538
121236274
135472661
1424462349
15110348896
16501604455
172294792044
1810560615629
1948858061607
20227074658274
211059724267133
224964418948999
2323335624138336
24110026811495899
25520243459277072
262466277600473485
2711719307714768490
2855809636116165236

[1,1,2,6,18,63,238,921,3724,15481,65567,282538,
 1236274,5472661,24462349,110348896,501604455,
 2294792044,10560615629,48858061607,227074658274,
 1059724267133,4964418948999,23335624138336,
 110026811495899,520243459277072,2466277600473485,
 11719307714768490,55809636116165236]