a(1) = a(2) = 1. a(n) = a(n-1) + (largest noncomposite {1 or prime} among the first n-2 terms of the sequence).

A120761

a(1) = a(2) = 1. a(n) = a(n-1) + (largest noncomposite {1 or prime} among the first n-2 terms of the sequence).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =8a(6) =13a(7) =18a(8) =31a(9) =44a(10) =75a(11) =106a(12) =137a(13) =168a(14) =305a(15) =442a(16) =579a(17) =716a(18) =853a(19) =990a(20) =1843a(21) =2696a(22) =3549a(23) =4402a(24) =5255a(25) =6108a(26) =6961a(27) =7814a(28) =14775a(29) =21736

External references