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A007020 as a simple table

na(n)
31
41
51
62
75
813
933
1085
11199
12445
13947
141909
153713
167006
1712765
1822764
1939540

[1,1,1,2,5,13,33,85,199,445,947,1909,3713,7006,
 12765,22764,39540]