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A191507 as a simple table

na(n)
12
28
352
4646
514570
6599702
745191945
86225542127
91567856872728
10722008623925586
11607932060252871024
12935917819388424802645
132634499346573878930718088
1413559220442178025486399949918

[2,8,52,646,14570,599702,45191945,6225542127,
 1567856872728,722008623925586,607932060252871024,
 935917819388424802645,2634499346573878930718088,
 13559220442178025486399949918]