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A176485 as a simple table

na(n)
11
21
31
42
54
67
713
825
948
1092
11176
12338
13649
141246
152392
164594
178823
1816945
1932545
2062509
21120060
22230598
23442910
24850701
251633948
263138339
276027842
2811577747
2922237515
3042711863
3182037200
32157569867
33302646401
34581296715
351116503866
362144482948
374118935248
387911290530

[1,1,1,2,4,7,13,25,48,92,176,338,649,1246,2392,
 4594,8823,16945,32545,62509,120060,230598,442910,
 850701,1633948,3138339,6027842,11577747,22237515,
 42711863,82037200,157569867,302646401,581296715,
 1116503866,2144482948,4118935248,7911290530]