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A041215 as a simple table

na(n)
01
11
27
322
451
5532
61115
73877
824377
928254
10589457
11617711
124295723
1313504880
1431305483
15326559710
16684424903
172379834419
1814963431417
1917343265836
20361828748137
21379172013973
222636860831975
238289754509898
2419216369851771
25200453453027608

[1,1,7,22,51,532,1115,3877,24377,28254,589457,
 617711,4295723,13504880,31305483,326559710,
 684424903,2379834419,14963431417,17343265836,
 361828748137,379172013973,2636860831975,
 8289754509898,19216369851771,200453453027608]