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A259892 as a simple table

na(n)
12212
213704
3151483
4954624
55055255
636899517
7265544204
81657505754
910777787104
1074223540333
11493525981009
123224220550323
1321513589812308
14143942550183867
15952854630337292
166317108715977706
1742075784020262790

[2212,13704,151483,954624,5055255,36899517,
 265544204,1657505754,10777787104,74223540333,
 493525981009,3224220550323,21513589812308,
 143942550183867,952854630337292,6317108715977706,
 42075784020262790]