654587domain: NPropertiesPrimalityPrimeyesAppears in sequencesThe first of three consecutive primes the sum of which is equal to the sum of three consecutive heptagonal numbers.at n=15A298302a(n) = coefficient of x^n in power series A(x) such that: 0 = Sum_{n>=0} (-1)^n * x^(n*(n-1)/2) * A(x)^(n*(n+1)/2).at n=10A357233Prime numbersat n=53166