OFFSET
2,1
EXAMPLE
See the sequence like this: 2+5 6+1 5+2 4+3 3+4 2+5 1+6 0+7 0+7 6+1 ....
CROSSREFS
KEYWORD
base,easy,nonn
AUTHOR
Eric Angelini, Jan 25 2005
EXTENSIONS
More terms from Ray G. Opao, Sep 23 2014
STATUS
approved