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A133511 as a simple table

na(n)
00
10
2-1
31
42
55
67
714
827
957
10114
11229
12455
13910
141819
153641
167282
1714565
1829127
1958254
20116507
21233017
22466034
23932069
241864135
253728270
267456539
2714913081
2829826162
2959652325
30119304647
31238609294
32477218587
33954437177
341908874354
353817748709
367635497415

[0,0,-1,1,2,5,7,14,27,57,114,229,455,910,1819,
 3641,7282,14565,29127,58254,116507,233017,466034,
 932069,1864135,3728270,7456539,14913081,29826162,
 59652325,119304647,238609294,477218587,954437177,
 1908874354,3817748709,7635497415]