a(1) = 2, a(2) = 3 and a(n) = the smallest prime which is a linear combination of a(n-1) and a(n-2) of the form r*a(n-1) + s*a(n-2) with r,s >=1.

A072535

a(1) = 2, a(2) = 3 and a(n) = the smallest prime which is a linear combination of a(n-1) and a(n-2) of the form r*a(n-1) + s*a(n-2) with r,s >=1.

Terms

    a(0) =2a(1) =3a(2) =5a(3) =11a(4) =31a(5) =53a(6) =137a(7) =349a(8) =1109a(9) =3203a(10) =7639a(11) =18481a(12) =49037a(13) =85999a(14) =184073a(15) =700067a(16) =3056791a(17) =6813649a(18) =26554529a(19) =81063721a(20) =399718069a(21) =1042627301a(22) =4240371853a(23) =10496135659a(24) =77922909413a(25) =187334225803a(26) =983105631451

External references