36832

Appears in sequences

• Expansion of e.g.f. exp(-2*x)/(1-x)^3.at n=7A052124
• Number of triangles created when a square sheet of paper is folded n times, the first time by one of the diagonals of the square and then by the median of the square triangle.at n=10A096227
• Number of 3 X n 0-1 matrices avoiding simultaneously the right angled numbered polyomino patterns (ranpp) (00;1), (10;0) and (10;1).at n=12A099041
• a(n) = prime(prime(prime(prime(n) - 1) - 1) - 1) - 1, where prime(n) is the n-th prime.at n=25A141217
• a(n) = 36*n^2 - n.at n=31A157286
• a(n) = 144*n^2 - 2*n.at n=15A158135
• a(n) = 1024*n^2 - 32.at n=5A158683
• Number of values of k for which phi(k) is a permutation of decimal digits of k, for k < 2^n.at n=28A216391
• Let s(k) denote the sum of the even proper divisors of k. The sequence lists the pairs of numbers (x, y) such that s(x) = y and s(y) = x.at n=15A279812
• List of ordered pairs (x, y) from A279812.at n=15A279950
• Number of self-avoiding walks on a 2-dimensional square lattice where the walk consists of steps of length 1 to n which can be taken in any order.at n=5A334602
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = n! * Sum_{j=0..n} (-k)^(n-j) * binomial(j+k,j)/(n-j)!.at n=52A383341