37856

Appears in sequences

• Number of primitive polynomials of degree n over GF(7).at n=7A027743
• Number of orbits of length n under the map whose periodic points are counted by A001642.at n=22A060167
• Trisection of A007294.at n=44A073470
• Array T(n,k) read by antidiagonals: number of primitive polynomials of degree k over GF(prime(n)).at n=51A158502
• Number of simple connected graphs on n nodes with diameter 5.at n=9A241709
• Numbers n such that n!3 + 3^8 is prime, where n!3 = n!!! is a triple factorial number (A007661).at n=34A264867
• Triangle read by rows: T(n,k) is the number of simple connected graphs on n nodes with diameter k (0<=k<n).at n=50A294522
• Triangle read by rows, expansion of exp(x*exp(z)*tan(z)).at n=40A298213
• a(n) is the index of the n-th nonattacking queen placed by a greedy algorithm on a subset of N^N (see Comments for details).at n=39A309817
• a(n) = phi(n^n - 1)/n where phi is A000010.at n=5A319183
• Number of 4-cycles in the n X n white bishop graph.at n=25A367993