24464

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 15 ones.at n=30A031783
• Open 3-dimensional ball numbers (version 4): a(n) is the number of integer points (i,j,k) contained in an open ball of diameter n, centered at (1/2, 1/2, 1/2).at n=36A053596
• Pseudo-random numbers: MS C 6.0 version.at n=9A084275
• Number of reduced words of length n in the Weyl group B_7.at n=18A161716
• Number of reduced words of length n in the Weyl group B_7.at n=31A161716
• Number of 2 X 2 matrices having all terms in {1,...,n} and positive even determinant.at n=16A211067
• Expansion of f(-x^3, -x^5) * f(x^3, x^13) / (f(-x, -x^2) * f(-x^8, -x^16)) in powers of x where f(, ) is Ramanujan's general theta function.at n=45A258939
• Numbers m such that the decimal number concat(8,m) is a square.at n=30A273363
• Expansion of e.g.f. exp(x*arctanh(x)) (even powers only).at n=4A296789
• Expansion of Product_{k>=1} ((1 + x^k)/(1 - x^k))^(k*(k+1)/2).at n=10A302237
• Numbers k such that A127417(k) = 1.at n=30A305162
• Form of Zorach additive triangle T(n,k) (see A035312) where each number is sum of west and northwest numbers, with the additional condition that the first element T(n,1) is a Fibonacci number.at n=54A323013
• Number of compositions of 8*n into parts 7 and 8.at n=16A373913
• a(n) = Sum_{k=0..floor(4*n/7)} binomial(k,4*n-7*k).at n=32A392355