31426

Appears in sequences

• Number of simple perfect squared rectangles of order n up to symmetry.at n=16A002839
• Smallest number at distance n from nearest prime.at n=29A051652
• Smallest number at distance 2n+1 from nearest prime.at n=14A051729
• Let u(1)=u(2)=u(3)=1, u(n+3)=(n*u(n)+(n+1)*u(n+1)+(n+2)*u(n+2))/(n+3); sequence gives values of n such that u(n) is an integer.at n=10A075770
• a(n) is the smallest number for which the prime distance A051699 is equal to n.at n=29A077019
• Least positive k such that the distance from k to closest prime = n.at n=29A079582
• a(n) = floor(sqrt{concatenation n,(n-1),...,3,2,1}).at n=8A095252
• Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having height of the last peak equal to k (1 <= k <= n).at n=46A128745
• Number of partitions of n in which each even part has odd multiplicity.at n=43A130126
• Row sums of triangle A143102.at n=44A143103
• Number of nonsquare simple perfect squared rectangles of order n up to symmetry.at n=16A219766
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 525", based on the 5-celled von Neumann neighborhood.at n=31A272740
• Expansion of 1/(1 - x/(1 - 9*x)^(5/3)).at n=5A382517