Sequence S with property that for n in S, a(n) = a(1) + a(2) +...+ a(n-1) and for n not in S, a(n) = n+1.

A121173

Sequence S with property that for n in S, a(n) = a(1) + a(2) +...+ a(n-1) and for n not in S, a(n) = n+1.

Terms

    a(0) =2a(1) =2a(2) =4a(3) =8a(4) =6a(5) =22a(6) =8a(7) =52a(8) =10a(9) =114a(10) =12a(11) =240a(12) =14a(13) =494a(14) =16a(15) =1004a(16) =18a(17) =2026a(18) =20a(19) =4072a(20) =22a(21) =8166a(22) =24a(23) =16356a(24) =26a(25) =32738a(26) =28a(27) =65504a(28) =30a(29) =131038

External references