18736

Appears in sequences

• a(n) = A045820(n)/2.at n=16A045822
• Smallest m such that A064672(m) = n.at n=26A064689
• Numbers n such that n and 2^n end with the same three digits.at n=18A067866
• Numbers n such that n and 2^n end with the same 4 digits.at n=1A067867
• Let f(n) = exp(Pi*sqrt(n)); sequence gives numbers n such that f(n) - floor(f(n)) < 1/10^3.at n=22A127028
• a(n) = 11^n + 8^n - 1.at n=4A155665
• a(n) = prime(n)^2 - n.at n=32A182174
• Principal diagonal of the convolution array A213781.at n=36A213782
• Sigma(n) values in A115920.at n=21A216372
• Number of nX3 0..1 arrays with every row having the same least squares slope fit to a straight line, and every column the same least squares slope fit to a straight line, with a single point array taken as having zero slope.at n=8A223587
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 358", based on the 5-celled von Neumann neighborhood.at n=42A271412
• Sum T(n,k) of the entries in the k-th cycles of all permutations of [n]; triangle T(n,k), n>=1, 1<=k<=n, read by rows.at n=32A285439
• Number of unoriented colorings of the 24 octahedral facets (or 24 vertices) of the 4-D 24-cell using subsets of a set of n colors.at n=1A338949