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A336980 as a simple table

na(n)
01
11
22
34
48
513
622
739
865
9104
10160
11263
12413
13646
14975
151479
162198
173354
185017
197389
2010770
2115721
2222668
2332663
2447200
2567761
2696389
27135977
28191431
29268805
30376211
31523692
32730301
331014029
341401553
351925074
362638522
373608182
384924194
396694070
409088239
4112323707
4216668255

[1,1,2,4,8,13,22,39,65,104,160,263,413,646,975,
 1479,2198,3354,5017,7389,10770,15721,22668,32663,
 47200,67761,96389,135977,191431,268805,376211,
 523692,730301,1014029,1401553,1925074,2638522,
 3608182,4924194,6694070,9088239,12323707,16668255]