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A317708 as a simple table

na(n)
11
21
31
42
54
610
720
848
9108
10255
11595
121435
133434
148372
1520419
1650289
17124289
18309122
19771508
201934462

[1,1,1,2,4,10,20,48,108,255,595,1435,3434,8372,
 20419,50289,124289,309122,771508,1934462]