117613

Appears in sequences

• a(n) = 7^n - n^2.at n=6A024077
• Semiprimes of the form p^2 + pq + q^2, where p, q are consecutive primes.at n=22A243904
• Row sums of triangular matrix defined by exp(L) where L(n,k) = C(2*n, 2*k+1) for n>=0, k=0..n.at n=6A246387
• Quasi-Carmichael numbers to exactly three bases.at n=27A257753
• Sequence of pairwise relatively prime numbers of class P_5 (see comment in A275246).at n=34A275249