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A035355 as a simple table

na(n)
01
11
21
32
45
515
644
7140
8442
91443
104751
1115903
1253716
13183334
14630513
152184417
167614318
1726690344
1894015908
19332639104
201181596784
214212424485
2215066677338
2354050993664
24194438337125
25701224890628
262534810109024

[1,1,1,2,5,15,44,140,442,1443,4751,15903,53716,
 183334,630513,2184417,7614318,26690344,94015908,
 332639104,1181596784,4212424485,15066677338,
 54050993664,194438337125,701224890628,
 2534810109024]