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A098051 as a simple table

na(n)
01
11
21
32
44
58
616
732
865
9134
10280
11592
121264
132722
145906
1512900
1628344
1762608
18138949
19309692
20692905
211555718
223504016
237915182
2417927154
2540702926
2692623758
27211217180
28482593474
291104640484
302532768508
315816447840

[1,1,1,2,4,8,16,32,65,134,280,592,1264,2722,5906,
 12900,28344,62608,138949,309692,692905,1555718,
 3504016,7915182,17927154,40702926,92623758,
 211217180,482593474,1104640484,2532768508,
 5816447840]