157920

Appears in sequences

• a(n) = T(2n+3,n), array T as in A055818.at n=6A055827
• a(n) = n*(n^2-1)*(3*n+2).at n=16A115056
• Numbers with prime factorization pqrst^5.at n=23A190383
• Number of labeled simple connected graphs covering n vertices with at least one bridge that is not an endpoint/leaf (non-spanning edge-connectivity 1).at n=7A327079
• a(n) is the first term k of A329902 for which A056239(k) = n.at n=29A330743
• Primorial deflation of A133411(n), where A133411(n) is the smallest highly composite number of the form k*a(n-1) where k is an integer greater than 1.at n=29A330744
• a(n) is the least number k such that there are exactly n pairs (p,q) of primes with p<q such that p+q = 2*k and that 2*k+p, 2*k+q, p*q-2*k and p*q+2*k are primes.at n=35A354462