26888

Appears in sequences

• a(n) = floor( Gamma(n+6/7)/Gamma(6/7) ).at n=8A020074
• Sort then Add, a(1)=7.at n=13A033895
• Largest number of triangulations of n points in the plane.at n=8A063545
• a(n) = sqrt(A076967(n)).at n=28A076968
• E.g.f. satisfies: A(x) = exp( x*cosh(x*A(x)) ).at n=7A162649
• E.g.f.: Sum_{n>=0} x^(n^2) * exp(n*x).at n=8A206592
• Numbers that set a new integer record for the ratio between the product and the sum of their digits.at n=29A240520
• Least number m such that there exist exactly n pairs of numbers (a,b), 0 < a < b < m, such that a+b, a+m, and b+m are all squares.at n=28A246766
• Numbers k such that 16^k - 4^k - 1 is prime.at n=24A265482
• Number of binary n X n X n permutation arrays (all projections onto 2-dimensional faces yield the all-ones matrix) which yield the all-ones array when repeatedly changing a 0 with three 1 neighbors to 1.at n=4A320212
• Number of bounded polygonal regions formed by drawing all least squares regression lines fitted to n points (j,y_j), 0 <= j < n, where each y_j is 0 or 1.at n=10A371439