67591

Appears in sequences

• a(n) = (8*n+1)*(8*n+7).at n=32A001533
• Special connected numbers: minimal and maximal connected numbers (cf. A029827) of a given binary order, i.e., between two consecutive powers of 2.at n=24A036379
• a(n) = prime(2*n-1)*prime(2*n).at n=27A089581
• Product of the n-th sexy prime pair.at n=30A111192
• a(n) = A130179(n)/81.at n=37A130085
• Numbers n such that exactly two positive d in the range d <= n/2 exist which divide binomial(n-d-1, d-1) and which are not coprime to n.at n=40A178098
• a(n) = 33*2^(n+1) + 7.at n=10A196655
• Product of adjacent primes with a gap of 6.at n=14A210477