30170

Appears in sequences

• Nearest integer to modified Bessel function K_n(5).at n=15A000249
• Numbers k such that sigma(k) = sigma(k+4).at n=27A015863
• Rounded volume of a regular octahedron with edge length n.at n=40A071400
• Numerator of Euler(n, 5/19).at n=4A156705
• Number of nondecreasing arrangements of 5 nonzero numbers in -(n+3)..(n+3) with sum zero.at n=20A188335
• Number of nX3 0..1 arrays with row sums equal and column sums unequal to adjacent columns.at n=8A202737
• Number of length 3 0..n arrays with each partial sum starting from the beginning no more than sqrt(2) standard deviations from its mean.at n=34A244906
• Numbers k such that (268*10^k - 1)/3 is prime.at n=21A293531
• Triangle T(n,k) read by rows with T(n,0) = (2*n)! / (2^n * n!) for n >= 0 and T(n,k) = (Sum_{i=k..n} binomial(i-1,k-1) * 2^i * i! / (2*i)!) * (2*n)! / (2^n * n!) for 0 < k <= n.at n=40A350557