View Compilation Error

0_0_14947661_144.c: In function 'main':
0_0_14947661_144.c:10:6: error: 'i' undeclared (first use in this function)
  for(i=t;i<=n;t++)
      ^
0_0_14947661_144.c:10:6: note: each undeclared identifier is reported only once for each function it appears in