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A303874 as a simple table

na(n)
01
10
21
31
41
52
63
75
88
917
1037
1171
12179
13366
14919
152069
165027
1712053
1829098
1971846
20175485
21437438
221087122
232723326
246860525
2517301606
2643957596
27111748571
28285591775
29731432424
301879009622
314841510973
3212500324496
3332366232373
3483962263464
35218309244314

[1,0,1,1,1,2,3,5,8,17,37,71,179,366,919,2069,5027,
 12053,29098,71846,175485,437438,1087122,2723326,
 6860525,17301606,43957596,111748571,285591775,
 731432424,1879009622,4841510973,12500324496,
 32366232373,83962263464,218309244314]