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A051013 as a simple table

na(n)
01
12
24
37
413
523
640
765
8106
9169
10278
11443
12705
131117
141760
152692
164151
176314
189526
1914127
2020944
2130848
2245589
2366495
2496847
25140840
26204380
27293822
28425859
29613446
30880288
311258349
321794256
332545965
343623774
355123746
367207773
3710159163
3814273328
3919925242
4027893419

[1,2,4,7,13,23,40,65,106,169,278,443,705,1117,
 1760,2692,4151,6314,9526,14127,20944,30848,45589,
 66495,96847,140840,204380,293822,425859,613446,
 880288,1258349,1794256,2545965,3623774,5123746,
 7207773,10159163,14273328,19925242,27893419]