Top line of 4-wave sequence A038197, also bisection of A006357.

A038225

Top line of 4-wave sequence A038197, also bisection of A006357.

Terms

    a(0) =1a(1) =4a(2) =30a(3) =246a(4) =2037a(5) =16886a(6) =139997a(7) =1160693a(8) =9623140a(9) =79784098a(10) =661478734a(11) =5484227157a(12) =45468956106a(13) =376976720745

External references