141570

Appears in sequences

• Pisot sequence E(8,10), a(n) = floor( a(n-1)^2/a(n-2) + 1/2 ).at n=39A010916
• Triangle of numbers arising in enumeration of walks on square lattice.at n=37A052175
• Triangular array of generalized Narayana numbers: T(n,k) = 5/(n+1)*binomial(n+1,k+4)*binomial(n+1,k-1).at n=39A145599
• Triangular array of generalized Narayana numbers: T(n,k) = 5/(n+1)*binomial(n+1,k+4)*binomial(n+1,k-1).at n=41A145599
• Sixth partial sums of fourth powers (A000583).at n=7A254470
• Number of permutations of [n] in which the length of every increasing run is 0 or 1 (mod 8).at n=14A322282
• Primitive numbers that are the sum of the squares of two of their distinct divisors.at n=32A338485
• a(n) is the number of large or small squares that are used to tile primitive squares of type 1 whose length of side is A344333(n).at n=32A344334
• Expansion of g.f. A(x,y) satisfying A(x,y) = 1 + x*A(x,y)/(1 - x*y * A(x,y))^2, as a triangle of coefficients T(n,k) of x^n*y^k in A(x,y), read by rows n >= 0.at n=73A365770
• Array read by antidiagonals: T(n,k) is the number of Hamiltonian rooted triangulations with n internal nodes and k + 3 external nodes, n >= 0, k >= 0.at n=38A391153