61824

Appears in sequences

• Weight distribution of ternary [ 24,12,9 ] quadratic residue code (also of Pless symmetry code).at n=4A001382
• Weight distribution of (48,2^24,12) binary code obtained from Golay code of length 24 lifted to Z/4Z and mapped to GF(2)^2.at n=7A018235
• Weight distribution of (48,2^24,12) binary code obtained from Golay code of length 24 lifted to Z/4Z and mapped to GF(2)^2.at n=17A018235
• Triangle T(n,k) defined by Sum_{1<=k<=n} T(n,k)*u^k*t^n/n! = exp(((1-t)*(1-t^2)*(1-t^3)...)^(-u)-1).at n=22A066045
• Hamming weight distribution of code obtained by lifting Golay code of length 24 to Z/4Z.at n=13A105547
• Hamming weight distribution of code obtained by lifting Golay code of length 24 to Z/4Z.at n=23A105547
• Reversible Lynch-Bell numbers.at n=29A117954
• Number of 3-step one or two collinear space at a time queen's tours on an n X n board summed over all starting positions.at n=17A187028
• Numbers with prime factorization pqrs^7.at n=15A190473
• a(n) = Sum_{k=0..3} f(n+k)^2 where f=A130519.at n=31A238604
• Numbers k such that k = Product (p_j^e_j) = Product (p_j*(e_j + 1)).at n=19A304410
• a(n) = n * Sum_{d|n} binomial(d+3,4)/d.at n=31A343545
• a(n) = Sum_{1 <= i, j, k <= n} gcd(i,j,k).at n=35A344522
• Triangle read by rows: T(n,k) is the number of forests of labeled rooted hypertrees with n vertices and weight k, 0 <= k < n.at n=33A364709
• The number of positive n-digit integers whose digit product is n.at n=23A373641
• G.f.: Sum_{k>=0} x^(k*(k+1)/2) / Product_{j=1..k} (1 - x^(2*j-1))^2.at n=48A376624
• E.g.f. A(x) satisfies A(x) = 1 + x*cos(x*A(x)).at n=8A381176
• Lower (2/3)-midsequence of A000032 (Lucas numbers) and A000045 (Fibonacci numbers); see Comments.at n=23A389121
• Upper (2/3)-midsequence of A000032 (Lucas numbers) and A000045 (Fibonacci numbers); see Comments.at n=23A389122