A174835 Sequence given by: a(0)=1, a(1)=2, and the formula a(n)=a(abs(floor((1/5)*n-a(n-2)))) for n>=2.

1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2

Offset

0,2

Links

Table of n, a(n) for n=0..104.

Example

a(2)=a(abs(floor(2/5)-a(0))))=a(1)=2. a(3)=a(abs(-2))=2. a(4)=a(abs(-2)=2.
a(5)=a(abs(-1))=a(1)=2. a(6)=a(abs(1-2))=2. a(7)=a(abs(1-2))=2.
a(8)=a(abs(1-2))=2. a(9)=a(abs(1-2))=2. a(10)=a(2-2)=a(0)=1.

Crossrefs

Sequence in context: A336682 A103159 A063056 * A297036 A231072 A055640

Adjacent sequences: A174832 A174833 A174834 * A174836 A174837 A174838

Keyword

easy,nonn

Author

Richard Choulet, Mar 30 2010

Status

approved