20960

Appears in sequences

• Fibonacci sequence beginning 2, 20.at n=16A022372
• a(n) = n^3 + (n+1)^3 + (n+2)^3 + (n+3)^3 + (n+4)^3.at n=14A027604
• Near Cullen numbers: k such that (k+1)*2^k + 1 is prime.at n=23A029544
• Sum of squares of hexanacci numbers (A001592, Fibonacci 6-step numbers).at n=13A107244
• Number of (n+1) X (4+1) 0..1 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.at n=7A250779
• Partial sums of A294629.at n=27A294630
• Numbers k such that 2^m == 2 (mod m*(m+1)), where m = A019320(k).at n=31A297414
• Numbers k such that A019320(k) is in A217465.at n=23A297415
• Total length of all longest runs of 0's in multus bitstrings of length n.at n=15A333396
• Table read by antidiagonals: T(h,n) is the number of n-step self avoiding walks on a 3D cubic lattice confined inside a box of size 2h x 2h x 2h where the walk starts at the center of one of the box's faces.at n=29A337031
• Number of integer partitions of n such that, for all parts x of multiplicity 1, either x - 1 or x + 1 is also a part.at n=46A355393
• Irregular triangle read by rows: T(n,k) (0 <= k <= n^2) are coefficients of cluster density function for site percolation on an n X n 2D triangular lattice with open boundary conditions.at n=26A365945