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A090249 as a simple table

na(n)
02
128
2782
321868
4611522
517100748
6478209422
713372763068
8373959156482
910457483618428
10292435582159502
118177738816847628
12228684251289574082
136394981297291226668
14178830792072864772622
155000867196742922406748

[2,28,782,21868,611522,17100748,478209422,
 13372763068,373959156482,10457483618428,
 292435582159502,8177738816847628,
 228684251289574082,6394981297291226668,
 178830792072864772622,5000867196742922406748]