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A143658 as a simple table

na(n)
01
12
23
36
411
520
639
778
8157
9314
10624
111245
122491
134982
149962
1519920
1639844
1779688
18159360
19318725
20637461
211274918
222549834
235099650
2410199301
2520398664
2640797327
2781594626
28163189197
29326378284
30652756722
311305513583
322611027094

[1,2,3,6,11,20,39,78,157,314,624,1245,2491,4982,
 9962,19920,39844,79688,159360,318725,637461,
 1274918,2549834,5099650,10199301,20398664,
 40797327,81594626,163189197,326378284,652756722,
 1305513583,2611027094]