25064

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 79.at n=37A031577
• First minimum value > 0 of the form x^3-k^2 when k > n^3.at n=28A070959
• Row sums of triangle A101224, which is related to the Flavius sieve (A000960).at n=30A101105
• Site percolation series for 4.8 (bathroom tile) lattice.at n=35A120557
• Numbers n such that phi(n)=d_1!!*d_2!!*...*d_k!! where d_1 d_2 ... d_k is the decimal expansion of n.at n=17A139408
• Number of integers k such that floor((r^n)/k)=n, where r = golden ratio = (1+sqrt(5))/2.at n=35A182613
• Number of length 4+1 0..n arrays with the sum of the cubes of adjacent differences multiplied by some arrangement of +-1 equal to zero.at n=14A250231
• Number of solutions to x^3 + y^3 + z^3 + t^3 == 0 (mod n) for 1 <= x, y, z, t <= n.at n=25A276920
• Wiener index of the n X n queen graph.at n=12A292057
• Numbers k such that the determinant of the Vandermonde matrix of their digits is equal to phi(k), the Euler totient function of k.at n=14A307587