A036225 Length of cycle the 'summarize the previous term' sequence gets into.

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 1, 1, 1, 1, 1, 2, 3, 3, 3, 2, 1, 1, 1, 2, 2, 1, 3, 2, 2, 2, 1, 1, 1, 2, 3, 3, 1, 2, 2, 2, 1, 1, 1, 2, 3, 2, 2, 1, 2, 2, 1, 1, 1, 2, 3, 2, 2, 2, 1, 1

Offset

0,41

Comments

For n <= 10^7, a(n) <= 3. - A.H.M. Smeets, Jun 24 2019

Links

A.H.M. Smeets, Table of n, a(n) for n = 0..20000

Example

a(0)=1 because the 'Summarize the previous term' starting with 0 becomes constant and a(40)=2 because starting with 40 it gets into a cycle of two.

Crossrefs

Cf. A007890, A036058, A036212.

Sequence in context: A036541 A176505 A338521 * A236859 A278401 A069935

Adjacent sequences: A036222 A036223 A036224 * A036226 A036227 A036228

Keyword

base,nonn

Author

Floor van Lamoen

Status

approved