33201

Appears in sequences

• Number of series-reduced planted trees with n+9 nodes and 4 internal nodes.at n=41A001860
• Centered cube numbers: n^3 + (n+1)^3.at n=25A005898
• Expansion of Product_{k>=1} (1 - x^k)^13.at n=26A010820
• n written efficiently in natural numbers base, i.e., in form ...wxyz where n = 1*z + 2*y + 3*x + 4*w + ... with z <= 1, y < 2, x < 3, w < 4, ...at n=33A055611
• a(n) = (4^n mod 3^n) mod 2^n.at n=16A064536
• Numbers which are the sum of two positive cubes and divisible by 17.at n=24A099178
• Structured disdyakis dodecahedral numbers (vertex structure 5).at n=16A100163
• a(1)=0, a(n) = n^3 - a(n-1).at n=39A153026
• Expansion of x/((1-x)^3*(1-x^2)^3*(1-x^3)).at n=23A164680
• Totally multiplicative sequence with a(p) = 10p+1 for prime p.at n=29A166668
• Number of n X 4 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically.at n=16A207020
• G.f. for Ehrhart quasi-polynomials for hyperplane arrangements of type E_6.at n=35A210634
• Pseudoprimes to base 8 that are not squarefree.at n=12A243090
• a(n) = coefficient of x^(2n) in the expansion of the modular form Product_{k>=1} (1-x^k)^n.at n=13A262310
• Bisection of A262310.at n=6A262538
• Table read by antidiagonals: Place k equally spaced points on each side of a regular n-gon and join every pair of these n*k points by a chord; T(n,k) (n >= 3, k >= 0) gives the number of vertices in the resulting planar graph.at n=50A367302
• The product of n's prime powers, with the base and exponent concatenated.at n=29A376294
• Number of irreducible conic curves containing 6 points of a cyclic order n-torsion subgroup of an elliptic curve.at n=26A379920
• Expansion of e.g.f. 1/(exp(-4*x) - 4*x*exp(-3*x))^(1/4).at n=5A380022
• a(n) = Sum_{k=0..floor(n/3)} binomial(3*n-3*k-3,n-3*k).at n=7A390707