91669domain: NAppears in sequencesNumber of discordant permutations.at n=26A000561Strong pseudoprimes to base 41.at n=32A020267a(n) = 109*n^2.at n=29A174339Expansion of Product_{k>=1} 1/(1 - x^k - x^(2*k) - x^(3*k)).at n=18A320286a(n) = (prime(n) + prime(n+2))^2 + prime(n+1)^2.at n=31A348569a(n) = n^2 * prime(n).at n=28A356868