1,1

Table of n, a(n) for n=1..60.

a(n)=A047243(n+2).

a(2n-1) = 6n+2, a(2n) = 6n+3.

a(1)=8 because 6*1+2=8; a(2)=9 because 6*1+3=9.

Cf. A047243.

Sequence in context: A083134 A299143 A068780 * A096784 A175859 A059869

Adjacent sequences: A174038 A174039 A174040 * A174042 A174043 A174044

nonn

Juri-Stepan Gerasimov, Mar 06 2010

Entries checked by R. J. Mathar, Apr 26 2010

approved