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A286946 as a simple table

na(n)
11
21
32
45
516
657
7286
81431
99064
1051398
11359787
123118155
1325568872
14223727631
152311852188
1615990310968
17105935810164
181038449718056
1910903722039589
20185715007642033
213528585145198628
2246753753173881822
23658243630211230916
249215410822957232825
25197209791611284782456
262112570763708981231112

[1,1,2,5,16,57,286,1431,9064,51398,359787,3118155,
 25568872,223727631,2311852188,15990310968,
 105935810164,1038449718056,10903722039589,
 185715007642033,3528585145198628,
 46753753173881822,658243630211230916,
 9215410822957232825,197209791611284782456,
 2112570763708981231112]