336465

Appears in sequences

• Number of isomorphism classes of n-fold coverings of a connected graph with Betti number 5.at n=4A160447
• Array read by antidiagonals: T(n,k) is the number of isomorphism classes of n-fold coverings of a connected graph with Betti number k (1 <= n, 0 <= k).at n=41A160449
• Expansion of (1-34*x+276*x^2-584*x^3)/((1-3*x)*(1-4*x)*(1-8*x)*(1-24*x)).at n=5A160450
• Numbers k such that 425*2^k+1 is prime.at n=21A323113