The letter N in braille
dots 1-3-4-514 of 26⠝
N in braille is dots 1-3-4-5. N is D plus dot 3.
A capital N has the capital sign, dot 6, in the cell before it: ⠠⠝.
In Grade 2 (contracted) braille, n standing alone as a word means “not”.
Don't mix it up
Now write it yourself
Tap the dots for N, then Enter. On a keyboard, press F D S / J K L together and let go.
Remember it, don't just look it up
N is in Letters K–T. Braille a Day brings it back tomorrow to answer from memory, then again just before you'd forget. Five minutes a day.