There are more in 1 to 25.
...26,26,26...-or-...24,25,26,27,28...or26 NEGATIVE 85 and 137
13/1 Thirteen in fraction form is 13/1, or26/2, or 39/3...etc. anything that if you divide out on your calculator it answers 13.
30 (two rows of 15 if the fork entry is on the 48 inch side and two 48 inch pallets can fit next to each other in the trailer).or26 (two rows of 13 if the fork entry is on the 40 inch side).The above assumes one layer of pallets (no stacking).