32834

Appears in sequences

• Expansion of (2 + x + x^2)/((1 - x)*(1 - x - x^2)).at n=18A026390
• Indices of primes in sequence defined by A(0) = 41, A(n) = 10*A(n-1) - 9 for n > 0.at n=15A101712
• Diagonal sums of the triangle A132047.at n=20A144707
• Least positive integer x such that n + x^2 = y^3 + z^5 for some positive integers y and z, or 0 if no such x exists.at n=42A266277
• Composite numbers n such that Sum_{k = 0..n} (-1)^k * C(n,k) * C(2*n,k) == -1 (mod n^3) (see A234839).at n=33A268303
• a(n) is the number of size n Eulerian orientations in L1(2).at n=6A278460
• Number of n X n 0..1 arrays with every element equal to 1, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.at n=5A298616
• Number of nX6 0..1 arrays with every element equal to 1, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.at n=5A298620
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.at n=60A298622
• a(n) = one-half of the number of cells in the central rectangle of the graph described in row 2n+1 of A333288.at n=29A337640