A112583 Lengths of the loop of the sequences "Sum of last n digits" beginning with (n-1) zeros followed by digit 4.

1, 8, 4, 50, 171, 39, 461, 78, 12203, 312, 318880, 2184, 57725, 5804, 1401, 3251

Offset: 1

Author

Alexandre Wajnberg, Dec 17 2005

Keywords

• base
• easy
• nonn

Examples

			a(5)=171 because the sum of last five *digits* of the sequence beginning with 0,0,0,0,4, (four zeros followed by a 4) enters in a loop whose length is 171 terms; so a(5)=171
a(6)=39 because "Sum of last six digits" beginning with 0,0,0,0,0,4 enters in a cycle of 39 terms.
Computed by Michael D Beeler.
		

Crossrefs

Cf. A112395.