OFFSET
1,1
COMMENTS
For a guide to related sequences, see A204892.
EXAMPLE
a(1)=s(2)-s(1)=5-1=4
a(2)=s(3)-s(1)=12-1=11
a(3)=s(3)-s(2)=12-5=7
a(4)=s(4)-s(1)=22-1=21
a(5)=s(4)-s(2)=22-5=17
MATHEMATICA
(See the program at A205138.)
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jan 25 2012
STATUS
approved