24304

Appears in sequences

• a(n) = A027113(n, 2n-3).at n=9A027121
• a(n) = 49*(n-1)*(n-2)/2.at n=30A027469
• Binomial transform of Thue-Morse sequence A001285.at n=14A029879
• Integral quotients of products of consecutive composites divided by their sums: sums (divisors).at n=36A141091
• a(n) = ((4+sqrt(3))*(1+sqrt(3))^n + (4-sqrt(3))*(1-sqrt(3))^n)/2.at n=9A162559
• a(n) = binomial(n+1,2)*7^2.at n=31A162942
• Number of n X 5 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 0 1 vertically.at n=6A207065
• Number of 7Xn 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 0 1 vertically.at n=4A207074
• Maximum value of sigma(x) * sigma(y) * sigma(z), where x + y + z = n.at n=37A211219
• Number of 7 X n arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..1 7 X n array.at n=14A220037
• Number of orbits of Aut(Z^7) as function of the infinity norm n of the representative lattice point of the orbit, when the cardinality of the orbit is equal to 26880.at n=32A266397
• Expansion of r(q)^4 / r(q^4) in powers of q where r() is the Rogers-Ramanujan continued fraction.at n=39A285629
• Irregular triangle read by rows: T(N,k) (0 <= k <= 4*N^2) are coefficients of cluster density function for site percolation on a 2*N X 2*N 2D hexagonal lattice with periodic boundary conditions.at n=11A365944
• a(n) = T(n, 3), where T(n, k) = Sum_{i=0..n} i^k * binomial(n, i) * (1/2)^(n-k).at n=28A366151