Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
1
6
3
f
l
o
o
r
1
0
-
3
6
k
=
0
-
1
k
*
b
i
n
o
m
i
a
l
3
,
k
*
b
i
n
o
m
i
a
l
1
0
-
6
k
-
1
,
2
Math Input
Natural Language
Math Input
Popular
