1,2

Table of n, a(n) for n=1..74.

read("transforms") ;

A118137 := proc(n)

digsum(n)+digsum(n+1) ;

end proc: # R. J. Mathar, Apr 03 2012

Sequence in context: A187907 A024806 A084834 * A160931 A160924 A063280

Adjacent sequences: A118134 A118135 A118136 * A118138 A118139 A118140

base,easy,nonn

Giovanni Teofilatto, May 13 2006

approved