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A053637 as a simple table

na(n)
11
21
32
42
54
66
710
816
929
1052
1194
12171
13316
14586
151093
162048
173856
187282
1913798
2026215
2149933
2295326
23182362
24349526
25671089
261290556
272485514
284793491
299256396
3017895698
3134636834
3267108864
33130150525
34252645136
35490853406

[1,1,2,2,4,6,10,16,29,52,94,171,316,586,1093,2048,
 3856,7282,13798,26215,49933,95326,182362,349526,
 671089,1290556,2485514,4793491,9256396,17895698,
 34636834,67108864,130150525,252645136,490853406]