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A337492 as a simple table

na(n)
01
11
21
35
411
519
643
799
8207
9439
10959
112071
124439
139567
1420647
1544463
1695751
17206351
18444631
19957855
202063687
214446415
229579799
2320639519
2444468263
2595807663
26206418167
27444729855
28958176071

[1,1,1,5,11,19,43,99,207,439,959,2071,4439,9567,
 20647,44463,95751,206351,444631,957855,2063687,
 4446415,9579799,20639519,44468263,95807663,
 206418167,444729855,958176071]