<s>
For	O
example	O
,	O
(	O
1	O
,	O
3	O
,	O
6	O
,	O
13	O
,	O
27	O
,	O
52	O
)	O
is	O
a	O
superincreasing	B-General_Concept
sequence	I-General_Concept
,	O
but	O
(	O
1	O
,	O
3	O
,	O
4	O
,	O
9	O
,	O
15	O
,	O
25	O
)	O
is	O
not	O
.	O
</s>
<s>
The	O
following	O
Python	B-Language
source	O
code	O
tests	O
a	O
sequence	O
of	O
numbers	O
to	O
determine	O
if	O
it	O
is	O
superincreasing	O
:	O
</s>
<s>
Superincreasing	B-General_Concept
sequence	I-General_Concept
?	O
</s>
