A061490 Smallest number which when iterated n times under A003285 gives a square.

1, 2, 3, 19, 166, 8269, 11568181

Offset: 0

Author

Naohiro Nomoto, Nov 08 2001

Keywords

• more
• nonn

Comments

Smallest m such that A003285(A003285(..(m))) = square with n iterations.

Examples

			A003285(A003285(3))=1, 3 is the smallest number requiring 2 iterations to reach a square number, so a(2)=3.
		

Crossrefs

Cf. A003285.

Extensions

a(6) from Sean A. Irvine, Feb 18 2023