18608

Appears in sequences

• Indices of primes in sequence defined by A(0) = 91, A(n) = 10*A(n-1) + 41 for n > 0.at n=18A101009
• a(n) = numerator of polynomial of genus 1 and level n for m = 2.at n=7A145656
• Positive integers of the form (7*m^2+1)/11.at n=31A179370
• Number of 0..5 arrays x(0..n-1) of n elements with nondecreasing average value.at n=7A200761
• T(n,k)=Number of nXk 0..5 arrays with every row and column running average nondecreasing rightwards and downwards.at n=28A200831
• Number of -1..1 arrays x(i) of n+1 elements i=1..n+1 with set{t,u,v in 0,1}((x[i+t]+x[j+u]+x[k+v])*(-1)^(t+u+v)) having two, four or six distinct values for every i,j,k<=n.at n=12A211528
• 2-dimensional array T(n, k) listed by antidiagonals for n >= 2, k >= 1 giving the number of acyclic paths of length k in the graph G(n) whose vertices are the integer lattice points (p, q) with 0 <= p, q < n and with an edge between v and w iff the line segment [v, w] contains no other integer lattice points.at n=19A247944
• Number of series-reduced planted achiral trees whose leaves span an initial interval of positive integers appearing with multiplicities an integer partition of n.at n=35A317099
• Number of partitions of n with prime rank.at n=44A363241