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A050613 as a simple table

na(n)
01
11
23
33
47
57
621
721
847
947
10141
11141
12329
13329
14987
15987
162207
172207
186621
196621
2015449
2115449
2246347
2346347
24103729
25103729
26311187
27311187
28726103
29726103
302178309
312178309
324870847
334870847
3414612541
3514612541
3634095929
3734095929

[1,1,3,3,7,7,21,21,47,47,141,141,329,329,987,987,
 2207,2207,6621,6621,15449,15449,46347,46347,
 103729,103729,311187,311187,726103,726103,2178309,
 2178309,4870847,4870847,14612541,14612541,
 34095929,34095929]