n=621: 3343594428384401477244840930119560710799
n=591: 14969825042462452779165494832955385273042368237
# via Yousuke Koide
n=329: 37633698993045258670863410188544865190871951
n=519: 27556151204359553942685920311502726470093
n=525: 4401268665169140025731821222935000987130551
n=3140L: 29761675926781160150142940130769922081
n=2550: 3228529113769803189332045176651