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A281754 as a simple table

na(n)
01
12
23
314
43
558
613
7254
83
9994
1033
114048
1275
1316306
14249
1565420
16207
17261848
18767
191047936
202019
214193334
221215
2316773920
244887
2567104612
2610595
27268420718
2824299
291073713846
3036223
314294917184
32124547
3317179819566
34123547
3568719426878
36108195

[1,2,3,14,3,58,13,254,3,994,33,4048,75,16306,249,
 65420,207,261848,767,1047936,2019,4193334,1215,
 16773920,4887,67104612,10595,268420718,24299,
 1073713846,36223,4294917184,124547,17179819566,
 123547,68719426878,108195]