OFFSET
1,4
FORMULA
a(n) = sum_{i=1..n} A139789(i). [From R. J. Mathar, Nov 03 2008]
CROSSREFS
KEYWORD
nonn
AUTHOR
Giovanni Teofilatto, Oct 04 2008
EXTENSIONS
More terms from R. J. Mathar, Nov 03 2008
STATUS
approved