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A048237 as a simple table

na(n)
11
21
32
45
58
616
730
854
994
10168
11287
12493
13831
141391
152293
163769
176114
189867

[1,1,2,5,8,16,30,54,94,168,287,493,831,1391,2293,
 3769,6114,9867]