20714

Appears in sequences

• Sum of 10 positive 9th powers.at n=13A003399
• Numbers k such that the continued fraction for sqrt(k) has period 71.at n=15A020410
• n*10^3-1, n*10^3-3, n*10^3-7 and n*10^3-9 are all prime.at n=12A064977
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (0, 1, -1), (0, 1, 0), (1, 0, 1)}.at n=8A150194
• Unlabeled (cyclic) Motzkin numbers: number of ways of drawing any number of nonintersecting chords joining n unlabeled points equally spaced on a circle, up to rotations of the circle.at n=15A175954
• Number of n X 4 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 n X 4 array.at n=10A219515
• Floor(-1/n + 1/log((2n+1)/(2n-1))).at n=11A227512
• Round(-1/n + 1/log((2n+1)/(2n-1))).at n=11A227513
• Number of defective 3-colorings of an n X 3 0..2 array connected horizontally and vertically with exactly two mistakes, and colors introduced in row-major 0..2 order.at n=4A229601
• Number of defective 3-colorings of an n X 5 0..2 array connected horizontally and vertically with exactly two mistakes, and colors introduced in row-major 0..2 order.at n=2A229603
• T(n,k) = number of defective 3-colorings of an n X k 0..2 array connected horizontally and vertically with exactly two mistakes, and colors introduced in row-major 0..2 order.at n=23A229606
• T(n,k) = number of defective 3-colorings of an n X k 0..2 array connected horizontally and vertically with exactly two mistakes, and colors introduced in row-major 0..2 order.at n=25A229606
• Number of squares of all sizes in polyominoes obtained by union of two pyramidal figures (A092498) with intersection equals A002623.at n=38A260918
• Number of length-4 0..n arrays with no repeated value differing from the previous repeated value by one.at n=10A269495
• Number of reversed integer partitions y of n with exactly one fixed point y(i) = i.at n=39A352832