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A002985 as a simple table

na(n)
11
21
31
42
53
66
711
820
936
1064
11108
12179
13292
14464
15727
161124
171714
182585
193866
205724
218418
2212290
2317830
2425713
2536898
2652664
2774837
28105873
29149178
30209364
31292793
32407990
33566668
34784521
351082848
361490197
372045093
382798895
393820629
405202085

[1,1,1,2,3,6,11,20,36,64,108,179,292,464,727,1124,
 1714,2585,3866,5724,8418,12290,17830,25713,36898,
 52664,74837,105873,149178,209364,292793,407990,
 566668,784521,1082848,1490197,2045093,2798895,
 3820629,5202085]