A112085 First differences of A112055.

1, 2, 2, 1, 4, 1, 2, 2, 1, 2, 2, 1, 4, 1, 2, 2, 1, 2, 2, 1, 2, 2, 1, 4, 1, 2, 2, 1, 2, 2, 1, 4, 1, 2, 2, 1, 2, 2, 1, 2, 2, 1, 4, 1, 2, 2, 1, 2, 2, 1, 4, 1, 2, 2, 1, 4, 1, 2, 2, 1, 4, 1, 2, 2, 1, 2, 2, 1, 4, 1, 2, 2, 1, 4, 1, 2, 2, 1, 4, 1, 2, 2, 1, 2, 2, 1, 4, 1, 2, 2, 1, 2, 2, 1, 2, 2, 1, 4, 1, 2, 2, 1

Offset

1,2

Comments

Will other terms than 1, 2 or 4 ever appear? Is there genuine periodicity?

Links

Table of n, a(n) for n=1..102.

Formula

a(n) = A112055(n+1)-A112055(n).

Crossrefs

Sequence in context: A140957 A197250 A275578 * A353843 A090002 A061298

Adjacent sequences: A112082 A112083 A112084 * A112086 A112087 A112088

Keyword

nonn

Author

Antti Karttunen, Aug 28 2005

Status

approved