135197domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 2^x+x+y+2^y, with x and y integers of any sign.at n=20A162574Primes of the form 8n^2 - 3.at n=27A201856Longest word T from a string S using no breakpoint-reuse.at n=37A280429Prime numbersat n=12593