Integer sequence arising from the nested radical R(m) = sqrt(4^0+sqrt(4^1+sqrt(....+sqrt(4^m)...))) (see comment).

A122579

Integer sequence arising from the nested radical R(m) = sqrt(4^0+sqrt(4^1+sqrt(....+sqrt(4^m)...))) (see comment).

Terms

    a(0) =1a(1) =1a(2) =3a(3) =15a(4) =455a(5) =53175a(6) =52802967a(7) =194817927511

External references