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A041407 as a simple table

na(n)
01
11
24
313
417
5489
6506
72007
86527
98534
10245479
11254013
121007518
133276567
144284085
15123230947
16127515032
17505776043
181644843161
192150619204
2061862180873
2164012800077
22253900581104
23825714543389
241079615124493
2531054938029193
2632134553153686

[1,1,4,13,17,489,506,2007,6527,8534,245479,254013,
 1007518,3276567,4284085,123230947,127515032,
 505776043,1644843161,2150619204,61862180873,
 64012800077,253900581104,825714543389,
 1079615124493,31054938029193,32134553153686]