This table lists the number of total tiles for increasing zoom-level in a tile cache. The tile cache is assumed to be pyramidal: [latex]\left|z_{i}\right| = n \Rightarrow \left|z_{i+1}\right| = n \dot 4[/latex].
level 1: 1 tile level 2: 5 tiles level 3: 21 tiles level 4: 85 tiles level 5: 341 tiles level 6: 1,365 tiles level 7: 5,461 tiles level 8: 21,845 tiles level 9: 87,381 tiles level 10: 349,525 tiles level 11: 1,398,101 tiles level 12: 5,592,405 tiles level 13: 22,369,621 tiles level 14: 89,478,485 tiles level 15: 357,913,941 tiles level 16: 1,431,655,765 tiles level 17: 5,726,623,061 tiles level 18: 22,906,492,245 tiles level 19: 91,625,968,981 tiles level 20: 366,503,875,925 tiles level 21: 1,466,015,503,701 tiles |