Leading diagonal of array in A111679.

Terms

a(0) =1a(1) =3a(2) =11a(3) =49a(4) =29a(5) =22a(6) =59a(7) =6859a(8) =1681a(9) =57a(10) =107a(11) =76a(12) =179a(13) =95a(14) =146a(15) =7890481a(16) =271a(17) =242a(18) =389a(19) =412a(20) =217a(21) =301a(22) =541a(23) =472a(24) =26569a(25) =391a(26) =3307949a(27) =692a(28) =727a(29) =285