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A375279 as a simple table

na(n)
01
11
21
32
47
516
630
761
8137
9303
10644
111365
122936
136340
1413625
1529209
1662701
17134758
18289547
19621816
201335378
212868341
226161329
2313233947
2428424456
2561052489
26131135696
27281667368
28604991601
291299458257
302791106585
315995020362
3212876698159
3327657838272

[1,1,1,2,7,16,30,61,137,303,644,1365,2936,6340,
 13625,29209,62701,134758,289547,621816,1335378,
 2868341,6161329,13233947,28424456,61052489,
 131135696,281667368,604991601,1299458257,
 2791106585,5995020362,12876698159,27657838272]