Recursion based on Exp[Pi/4]: a(n)=Floor[a(n-1)*Exp[Pi/4]] Angular domain {0,Pi/4} is the smallest self-similar piece of a sine wave.

A136671

Recursion based on Exp[Pi/4]: a(n)=Floor[a(n-1)*Exp[Pi/4]] Angular domain {0,Pi/4} is the smallest self-similar piece of a sine wave.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =4a(4) =8a(5) =17a(6) =37a(7) =81a(8) =177a(9) =388a(10) =850a(11) =1864a(12) =4088a(13) =8966a(14) =19664a(15) =43128a(16) =94591a(17) =207464a(18) =455026a(19) =997999a(20) =2188891

External references