A175427 Starting values which reach a single-digit number after a finite number of iterations of the map x->A175429(x).

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 27, 28, 29, 30, 31, 32, 33, 34, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50

Offset: 1

Author

Jaroslav Krizek, May 09 2010

Keywords

• nonn
• base
• more

Comments

Arguments m such that A175424(m) >= 0. Also arguments m such that A175419(m) >= 0.

Complement of A175426.

Examples

			27 is in the sequence because a single-digit number is reached in 3 iterations: 7^2 = 49, 9^4 = 6561, ((1^6)^5)^6 = 1, so A175424(27) = 3.
		

Crossrefs

Cf. A175419, A175420, A175421, A175422, A175423, A175424, A175425, A175426.