a(n) = 2^A031142(n).

Terms

a(0) =1a(1) =16a(2) =128a(3) =8192a(4) =16384a(5) =262144a(6) =16777216a(7) =134217728a(8) =2147483648a(9) =17179869184a(10) =137438953472