82615

Appears in sequences

• Weight distribution of d=3 Hamming code of length 31.at n=7A010086
• Weight distribution of d=3 Hamming code of length 31.at n=24A010086
• Weight distribution of d=4 Hamming code of length 31.at n=12A010091
• Numbers k such that phi(k) and sigma(k) are both perfect squares.at n=24A067781
• Numbers n such that phi(n), psi(n) and sigma(n) are simultaneously perfect squares.at n=10A301867
• Triangle read by rows: T(n,k) is the number of hypergraphs on n labeled vertices with k edges and all vertices having even degree, 0 <= k < 2^n.at n=38A340030
• Triangle read by rows: T(n,k) is the number of hypergraphs on n labeled vertices with k edges and all vertices having even degree, 0 <= k < 2^n.at n=55A340030
• Expansion of g.f. A(x) satisfying A(x)^5 = A( x^5/(1 - 5*x)^5 ) / (1 - 5*x).at n=9A361764
• Expansion of 1/( (1 + x)^2 * (1 - x*(1 + x)^3) ).at n=13A375363