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A086331 as a simple table

na(n)
01
12
27
343
4393
54721
669853
71225757
824866481
9572410513
1014738647221
11419682895325
1213094075689225
13444198818128313
1416278315877572141
15640854237634448101
1626973655480577228769
171208724395795734172705
1857453178877303382607717
192887169565412587866031533

[1,2,7,43,393,4721,69853,1225757,24866481,
 572410513,14738647221,419682895325,13094075689225,
 444198818128313,16278315877572141,
 640854237634448101,26973655480577228769,
 1208724395795734172705,57453178877303382607717,
 2887169565412587866031533]