1,7

See A210109 for further information.

Row sums of the following table which shows how many words of length n over a 3-letter alphabet are 5-divided in k>=1 different ways:

15;

103,43,20;

546,236,162,84,28,51,16,8,5;

2118,1211,848,480,...

-R. J. Mathar, Mar 25 2012

Computed by David Scambler, Mar 19 2012

Table of n, a(n) for n=1..13.

Cf. A210109.

Sequence in context: A229406 A118093 A167615 * A016234 A160197 A055660

Adjacent sequences: A210323 A210324 A210325 * A210327 A210328 A210329

nonn,more

N. J. A. Sloane, Mar 20 2012

approved