72251

Properties

Appears in sequences

• Twin primes belonging to packs of four or more twin pairs.at n=20A068220
• Coefficient of q^2 in nu(n), where nu(0) = 1, nu(1) = b and, for n >= 2, nu(n) = b*nu(n-1) + lambda*(1 + q + q^2 + ... + q^(n - 2))*nu(n-2) with (b,lambda) = (2,1).at n=12A074085
• Primes of the form 10n^2 + 1.at n=23A201709
• Prime in the middle of a list of 7 consecutive primes such that each of them is a member of a twin pair.at n=6A227063
• Prime(k) such that each of the three preceding and also each of the three following primes are twin primes.at n=9A227323
• Nearest integer to the product of all integer roots of n from the second to the n-th.at n=34A330153
• Prime numbersat n=7151