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A005620 as a simple table

na(n)
11
22
34
45
57
617
725
840
963
1099
11156
12249
13397
14538
151019
161637
172434
183989
196847
2010634
2117845
2228827
2346584
2475299
25121741
26196862
27318375
28514947
29832952
301347429
312179785
323526456
335705275
349230503
3514934216

[1,2,4,5,7,17,25,40,63,99,156,249,397,538,1019,
 1637,2434,3989,6847,10634,17845,28827,46584,75299,
 121741,196862,318375,514947,832952,1347429,
 2179785,3526456,5705275,9230503,14934216]