a(0)=1, a(n+1) = 2*a(n) + b(n+2), where b(n)=A004539(n) is the n-th bit in the binary expansion of sqrt(2).

A084188

a(0)=1, a(n+1) = 2*a(n) + b(n+2), where b(n)=A004539(n) is the n-th bit in the binary expansion of sqrt(2).

Terms

    a(0) =1a(1) =2a(2) =5a(3) =11a(4) =22a(5) =45a(6) =90a(7) =181a(8) =362a(9) =724a(10) =1448a(11) =2896a(12) =5792a(13) =11585a(14) =23170a(15) =46340a(16) =92681a(17) =185363a(18) =370727a(19) =741455a(20) =1482910a(21) =2965820a(22) =5931641a(23) =11863283a(24) =23726566a(25) =47453132a(26) =94906265a(27) =189812531a(28) =379625062a(29) =759250124

External references