20452

Appears in sequences

• Numbers that are the sum of 7 nonzero 8th powers.at n=24A003385
• Let (u1,u2) be successive untouchable numbers such that phi(u1) = phi(u2); sequence gives values of u1.at n=40A048189
• Number of primitive (period n) step cyclic shifted sequence structures using exactly three different symbols.at n=14A056445
• a(n) = 5*2^n - 2*n - 4.at n=12A097809
• Numbers k such that there is 1 prime between 100*k and 100*k + 99.at n=19A186393
• Square excess of Fibonacci numbers.at n=41A190993
• Monotonic ordering of set S generated by these rules: if x and y are in S then x^2+y^2-xy is in S, and 2 is in S.at n=25A192533
• Number of regions in a regular n-gon with all diagonals drawn whose edges all have the same number of facing edges.at n=48A351129
• Irregular triangle read by rows: T(n,k) (0 <= k <= n^2) are coefficients of cluster density function for site percolation on an n X n 2D nnsquare lattice with open boundary conditions.at n=24A365947