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A110407 as a simple table

na(n)
13
25
313
4193
537633
61416317953
72005956546822746113
84023861667741036022825635656102100993
916191462721115671781777559070120513664958590125499158514329308740975788033

[3,5,13,193,37633,1416317953,2005956546822746113,
 4023861667741036022825635656102100993,
 16191462721115671781777559070120513664958590125499\
 158514329308740975788033]