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A289653 as a simple table

na(n)
11
21
31
44
512
640
7130
8427
91428
104860
1116794
1258784
13208010
14742898
152674438
169694843
1735357668
18129644788
19477638698
201767263188
216564120418
2224466267018
2391482563638
24343059613648
251289904147322
264861946401450
2718367353072150
2869533550916002
29263747951750358

[1,1,1,4,12,40,130,427,1428,4860,16794,58784,
 208010,742898,2674438,9694843,35357668,129644788,
 477638698,1767263188,6564120418,24466267018,
 91482563638,343059613648,1289904147322,
 4861946401450,18367353072150,69533550916002,
 263747951750358]