%I #12 Nov 21 2020 05:10:20
%S 2,5,14,54,294,2182,21168,258584,3866528,69094248,1446704598,
%T 34928585060,959616504858,29669964598708,1022713744909606,
%U 38985339660148638,1631985092027500964
%N a(0) = 2; a(1) = 5; a(n) = prime(a(n-1)) + prime(a(n-2)) if n > 1.
%e a(2) = prime(2) + prime(5) = 3 + 11 = 14.
%p A122594 := proc(n) option remember: if(n=0)then return 2: elif(n=1)then return 5: else return ithprime(procname(n-1)) + ithprime(procname(n-2)): fi: end:
%p seq(A122594(n),n=0..8); # _Nathaniel Johnston_, Apr 26 2011
%t Transpose[NestList[{#[[2]],Prime[ #[[1]]]+Prime[ #[[2]]]}&,{1, 2},13]][[2]]
%Y Cf. A069103, A107327.
%K nonn,more
%O 0,1
%A _Carlos Alves_, Oct 29 2006
%E a(14)-a(16) from _Jinyuan Wang_, Nov 21 2020
|