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A222036 as a simple table

na(n)
12
24
37
412
520
633
753
885
9137
10221
11355
12570
13915
141468
152353
163772
176049
189703
1915565
2024972
2140068
2264291
23103155
24165512
25265564
26426096
27683664
281096928
291760005
302823900
314530894
327269730
3311664136
3418714867
3530027612
3648178679
3777301700

[2,4,7,12,20,33,53,85,137,221,355,570,915,1468,
 2353,3772,6049,9703,15565,24972,40068,64291,
 103155,165512,265564,426096,683664,1096928,
 1760005,2823900,4530894,7269730,11664136,18714867,
 30027612,48178679,77301700]