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A042575 as a simple table

na(n)
01
11
22
37
423
576
699
7175
89899
910074
1019973
1169993
12229952
13759849
14989801
151749650
1698970201
17100719851
18199690052
19699790007
202299060073
217596970226
229896030299
2317493000525
24989504059699
251006997060224
261996501119923
276996500419993
2822986002379902

[1,1,2,7,23,76,99,175,9899,10074,19973,69993,
 229952,759849,989801,1749650,98970201,100719851,
 199690052,699790007,2299060073,7596970226,
 9896030299,17493000525,989504059699,1006997060224,
 1996501119923,6996500419993,22986002379902]