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A055879 as a simple table

na(n)
11
21
32
42
55
65
715
815
951
1051
11188
12188
13731
14731
152950
162950
1712235
1812235
1951822
2051822
21223191
22223191
23974427
24974427
254302645
264302645
2719181100
2819181100
2986211885
3086211885
31390248055
32390248055
331777495635
341777495635
358140539950
368140539950

[1,1,2,2,5,5,15,15,51,51,188,188,731,731,2950,
 2950,12235,12235,51822,51822,223191,223191,974427,
 974427,4302645,4302645,19181100,19181100,86211885,
 86211885,390248055,390248055,1777495635,
 1777495635,8140539950,8140539950]