27784

Appears in sequences

• Values of Newton-Gregory forward interpolating polynomial (1/6)*(4*n^4 - 60*n^3 + 347*n^2 - 927*n + 978).at n=18A030442
• Decimal part of n-th root of a(n) starts with digit 3.at n=37A034080
• Consider the Diophantine equation x^3 + y^3 = z^3 + 1 (1 < x < y < z) or 'Fermat near misses'. Arrange solutions by increasing values of z (see A050791). Sequence gives values of x.at n=25A050792
• Numbers which are the sum of two positive cubes and divisible by 23.at n=16A101806
• Number of n X n binary matrices, symmetric about both diagonal and antidiagonal, with no more than 3 ones in any 2 X 2 subblock.at n=7A141511
• Number of unimodal functions [1..n]->[0..2].at n=27A223718
• Triangle read by rows: T(n,k) is the number of compositions of n having degree of asymmetry equal to k (n>=0; 0<=k<=n/3).at n=60A275433
• Number of nX5 0..1 arrays with every element equal to 1, 2 or 4 king-move adjacent elements, with upper left element zero.at n=20A297855
• a(n) = Sum_{i|n, j|n, k|n} i*j*k/gcd(i,j,k).at n=33A344133
• Number of (curved) edges formed when n equally spaced points are placed around a circle and all pairs of points are joined by an interior arc whose radius equals the circle's radius.at n=22A371255