A175426 Starting values for which iteration of the map x->A175420(x) never reaches a single-digit value.

25, 26, 35, 36, 125, 126, 135, 136, 215, 216, 315, 316, 1125, 1126, 1135, 1136, 1215, 1216, 1315, 1316

Offset: 1

Author

Jaroslav Krizek, May 09 2010

Keywords

• nonn
• base
• more

Comments

Arguments m such that A175424(m) = -1. Complement of A175427.

Examples

			26 is in the sequence because starting with 26 the iterations enter a cycle of 2- and 3-digit numbers: 6^2 = 36, 6^3 = 216, (6^1)^2 = 36, 6^3 = 216, (6^1)^2 = 36, ...
		

Crossrefs

Cf. A175419, A175420, A175421, A175422, A175423, A175424, A175425, A175427.