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A190646 as a simple table

na(n)
14
27
319
441
5127252
6199
726890624
8919
917299
106641
1125269208984376
123401
133900566650390624
14640063
158418574
1618089
171164385682220458984374
1841651
1969528379848480224609374
20128465
2134084859374
2212164095
23150509919493198394775390626
2490271

[4,7,19,41,127252,199,26890624,919,17299,6641,
 25269208984376,3401,3900566650390624,640063,
 8418574,18089,1164385682220458984374,41651,
 69528379848480224609374,128465,34084859374,
 12164095,150509919493198394775390626,90271]