Main diagonal of square array A082025.

Terms

a(0) =1a(1) =5a(2) =12a(3) =41a(4) =26a(5) =103a(6) =58a(7) =181a(8) =92a(9) =293a(10) =128a(11) =439a(12) =174a(13) =617a(14) =230a(15) =817a(16) =290a(17) =1037a(18) =376a(19) =1225a(20) =446a(21) =1565a(22) =542a(23) =1883a(24) =628a(25) =2227a(26) =746a(27) =2555a(28) =848a(29) =2983