33425

Appears in sequences

• Numbers k such that x^k + x^6 + 1 is irreducible over GF(2).at n=15A057476
• For 1 < x, each c(i) is "multiply" (*) or "divide" (/); a(n) is number of choices for c(0),...,c(n-1) so that 1 c(0) x^1 c(1) x^2,.., c(n-1) x^n is an integer.at n=16A059529
• A060448 sorted and duplicates removed.at n=29A060636
• Number of 2 X 2 matrices having all elements in {0,1,...,n} and determinant in the closed interval [-n,n].at n=20A211031
• Number of non-equivalent ways to place 3 non-attacking ferses on an n X n board.at n=10A278682
• Vinogradov's number J_{3,2}(n).at n=16A281391
• a(n) = Sum_{k=0..n} k^4 * (n-k)! * binomial(n,k)^2.at n=5A341196
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = Sum_{j=0..n} j^k * (n-j)! * binomial(n,j)^2.at n=50A341200