A106253 First difference of A106252.

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

Offset

1,1

Comments

It appears that this sequence is periodic with period 6.

Links

Table of n, a(n) for n=1..105.

Index entries for periodic sequences, period 6.

Index entries for linear recurrences with constant coefficients, signature (-1, 0, 1, 1).

Mathematica

LinearRecurrence[{-1, 0, 1, 1}, {2, 2, 2, 1}, 105] (* Ray Chandler, Aug 26 2015 *)

Prog

(PARI) a(n)=3497\4^(n%6)%4 \\ Charles R Greathouse IV, Jun 03 2026

Crossrefs

Cf. A106252. Essentially the same as A083039.

Sequence in context: A265671 A214707 A083039 * A078720 A270488 A083898

Adjacent sequences: A106250 A106251 A106252 * A106254 A106255 A106256

Keyword

nonn,easy,changed

Author

John W. Layman, Apr 27 2005

Status

approved