Recurrence a(1) = 1, a(2) = 5; a(n) = (a(n-1) + a(n-2))/GCD(a(n-1),a(n-2)) + 1.

Terms

a(0) =1a(1) =5a(2) =7a(3) =13a(4) =21a(5) =35a(6) =9a(7) =45a(8) =7a(9) =53a(10) =61a(11) =115a(12) =177a(13) =293a(14) =471a(15) =765a(16) =413a(17) =1179a(18) =1593a(19) =309a(20) =635a(21) =945a(22) =317a(23) =1263a(24) =1581a(25) =949a(26) =2531a(27) =3481a(28) =6013a(29) =9495