a(n) = A006720(n)^4 (fourth powers of Somos-4 sequence).

A151502

a(n) = A006720(n)^4 (fourth powers of Somos-4 sequence).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =16a(5) =81a(6) =2401a(7) =279841a(8) =12117361a(9) =9721171216

External references