76740domain: NAppears in sequencesSum of the next n members of the list of twin primes.at n=19A038345Least k such that k*Mersenne-prime(n)*Mersenne-prime(n+1) - 1 is prime.at n=22A098915Number of permutations of 1..n with all differences of elements separated by distances 1 through 6 being respectively unique.at n=18A170812