0,2

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

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

a(n) = 5-(-1)^n for n>1, with a(0)=1 and a(1)=3. - Wesley Ivan Hurt, Oct 03 2020

Uno tres cuatro seis cuatro seis ...

Cf. A011762 (number of letters).

Cf. A000655 (English), A061504 (French), A328263 (Polish).

Sequence in context: A010469 A136248 A175653 * A238502 A023823 A279081

Adjacent sequences: A101429 A101430 A101431 * A101433 A101434 A101435

easy,nonn,word

Kevin Langdon (kevin.langdon(AT)polymath-systems.com), Jan 17 2005; corrected May 24 2005

More terms from Kara A. Houck (kah979(AT)psu.edu), Apr 20 2006

approved