39368

Appears in sequences

• Numbers that are the sum of 8 nonzero 8th powers.at n=39A003386
• Numbers that are the sum of 4 positive 9th powers.at n=9A003393
• Numbers that are the sum of at most 4 positive 9th powers.at n=27A004888
• Numbers that are the sum of at most 5 positive 9th powers.at n=38A004889
• Number of pairs of polynomials (f,g) in GF(3)[x] satisfying deg(f) <= n, deg(g) <= n and gcd(f,g) = 1.at n=4A087290
• Numbers which are the sum of two positive cubes and divisible by 37.at n=42A102618
• a(0)=4, a(n) = 3*a(n-1) - 4.at n=9A115099
• a(n) = a(n-1) - 64*a(n-2), a(0)=1, a(1)=8.at n=5A133671
• a(1) = 2, a(n) = (n-th-even n^3) - (sum of previous terms).at n=41A181509
• a(n) = Sum_{k = 0..n} C(n,k)^9.at n=3A182446
• Total number of round trips, each of length 2*n on the graph P_5 (o-o-o-o-o).at n=9A198635
• T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..1 introduced in row major order.at n=36A205318
• T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..1 introduced in row major order.at n=36A208085
• Rectangular companion array to M(n,k), given in A240222, showing the end numbers N(n, k), k >= 1, for the Collatz operation (udd)^(n-1) ud, n >= 1, read by antidiagonals.at n=63A240223
• c(n) in (sqrt(2))_n = b(n) + c(n)*sqrt(2), where (x)_n is the Pochhammer symbol, b(n) and c(n) are integers.at n=8A263688
• Number of n-step self-avoiding walks on a 2D square lattice where each visited lattice point is either a neighbor of the first visited lattice point, else the first visited lattice point is directly visible (cf. A358036) from the lattice point when it is first visited.at n=14A368614