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A113405 as a simple table

na(n)
00
10
20
31
42
54
67
714
828
957
10114
11228
12455
13910
141820
153641
167282
1714564
1829127
1958254
20116508
21233017
22466034
23932068
241864135
253728270
267456540
2714913081
2829826162
2959652324
30119304647
31238609294
32477218588
33954437177
341908874354
353817748708

[0,0,0,1,2,4,7,14,28,57,114,228,455,910,1820,3641,
 7282,14564,29127,58254,116508,233017,466034,
 932068,1864135,3728270,7456540,14913081,29826162,
 59652324,119304647,238609294,477218588,954437177,
 1908874354,3817748708]