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A122524 as a simple table

na(n)
12
27
3103
4274309092506641744944619304235289
571913864933263337464162651213311153
623583673968885646741228783732071635618505511

[2,7,103,274309092506641744944619304235289,
 71913864933263337464162651213311153,
 23583673968885646741228783732071635618505511]