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A281810 as a simple table

na(n)
11
22
34
48
514
625
745
877
9131
10224
11377
12629
131049
141738
152863
164708
177716
1812598
1920524
2033363
2154102
2287567
23141489
24228216
25367538
26591098
27949372
281522917
292440190
303905747
316245198
329976535
3315923083
3425392755
3540462155
3664426278
37102510580
38162997910
39259010672
40411328655
41652842792
421035591110

[1,2,4,8,14,25,45,77,131,224,377,629,1049,1738,
 2863,4708,7716,12598,20524,33363,54102,87567,
 141489,228216,367538,591098,949372,1522917,
 2440190,3905747,6245198,9976535,15923083,25392755,
 40462155,64426278,102510580,162997910,259010672,
 411328655,652842792,1035591110]