38407

Appears in sequences

• a(n) = (8*n+1)*(8*n+7).at n=24A001533
• Numbers k such that x^k + x^10 + 1 is irreducible over GF(2).at n=12A057480
• a(n) = (6*n+1)*(6*n+7).at n=32A085026
• Antidiagonal sums of triangle A097186, in which the n-th row polynomial R_n(y) is formed from the initial (n+1) terms of g.f. A057083(y)^(n+1), where R_n(1/3) = 3^n for all n>=0.at n=10A097187
• Product of the n-th sexy prime pair.at n=25A111192
• 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=35A178098
• Quasi-Carmichael numbers to exactly three bases.at n=15A257753
• Sequence of pairwise relatively prime numbers of class P_5 (see comment in A275246).at n=22A275249
• Triangle read by rows: T(n,k) is the number of weakly connected acyclic digraphs on n unlabeled nodes with k arcs, n >= 1, k = 0..(n-1)*n/2.at n=52A350449
• Least k such that A359247(k) = n, or 0 if no such k exists.at n=23A359657