A174954 - OEIS

%I #11 Mar 01 2024 02:03:25

%S 1,2,9,144,24336,599858064,359859080993093136,

%T 129498558604939936508538275302878864

%N a(1)=1 and a(2)=2, a(n) = square of the sum of previous terms.

%C Sqrt(a(n+1)/a(n)) = A082732(n).

%Y Cf. A082732, A174864.

%K easy,nonn

%O 1,2

%A _Giovanni Teofilatto_, Apr 02 2010