A061192 a(1) = 1; a(n+1) = a(1) +(a(2) +(a(3) +...(a(n-1) +a(n)^2)^2...)^2)^2.

1, 1, 2, 26, 211310299226

Offset

1,3

Comments

a(6) has 182 digits.

Links

Table of n, a(n) for n=1..5.

Example

a(4) = a(1) +(a(2) +a(3)^2)^2 = 1 +(1 +2^2)^2 = 26.

Crossrefs

Sequence in context: A273381 A094680 A259326 * A356136 A370497 A259789

Adjacent sequences: A061189 A061190 A061191 * A061193 A061194 A061195

Keyword

easy,nonn

Author

Leroy Quet, May 30 2001

Status

approved