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A148489 as a simple table

na(n)
01
11
22
36
421
573
6272
71055
84226
917296
1072002
11304223
121302487
135631257
1424557910
15107912037
16477269006
172122877159
189489677428
1942608326043
20192070741414
21868890650080
223943246247910
2317947364156580
2481901112293463
25374647230094154
261717560685555588
277890073413521769
2836312976830040510

[1,1,2,6,21,73,272,1055,4226,17296,72002,304223,
 1302487,5631257,24557910,107912037,477269006,
 2122877159,9489677428,42608326043,192070741414,
 868890650080,3943246247910,17947364156580,
 81901112293463,374647230094154,1717560685555588,
 7890073413521769,36312976830040510]