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A030426 as a simple table

na(n)
11
22
35
413
589
6233
71597
84181
928657
10514229
111346269
1224157817
13165580141
14433494437
152971215073
1653316291173
17956722026041
182504730781961
1944945570212853
20308061521170129
21806515533049393
2214472334024676221
2399194853094755497
241779979416004714189

[1,2,5,13,89,233,1597,4181,28657,514229,1346269,
 24157817,165580141,433494437,2971215073,
 53316291173,956722026041,2504730781961,
 44945570212853,308061521170129,806515533049393,
 14472334024676221,99194853094755497,
 1779979416004714189]