25560

Appears in sequences

• First differences of A069475, successive differences of (n+1)^6-n^6.at n=33A069476
• Indices of prime Fibonacci numbers, minus 1.at n=27A069744
• Triangle read by rows: T(n,k) is number of paths from (0,0) to (3n,0) that stay in the first quadrant (but may touch the horizontal axis), consisting of steps u=(2,1), U=(1,2), or d=(1,-1) and having height of the first peak equal to k.at n=46A108437
• Numbers that have exactly seven prime factors counted with multiplicity (A046308) whose digit reversal is different and also has 7 prime factors (with multiplicity).at n=9A109027
• a(0)=360, a(n)=a(n-1)+720 for n>=1.at n=35A140801
• Ten times hexagonal numbers: 10*n*(2*n-1).at n=36A144560
• a(n) = 16*n^2 - n.at n=39A157446
• a(n) = 64*n^2 - 2*n.at n=19A158067
• a(n) = 1600*n^2 - 40.at n=3A158773
• Numbers n for which the terms of the multiplicative sequence {n^2/A049417(n)} are integers.at n=28A185288
• Triangle read by rows: T(n,m) (n>=0, 1 <= m <= n+1) = number of unlabeled rigid interval posets with n non-maximal and m maximal elements.at n=34A193344
• Smallest number k such that prime(n) is the n-th divisor of k.at n=18A221647
• The number of endomorphisms of the symmetric inverse monoid on the set {1..n}.at n=7A226466
• Sum of the eccentricities of all vertices in the Lucas cube Lambda(n).at n=16A248086
• Positive integers k with record-setting smallest values of abs(cos(k) - cos(k*Pi/180)).at n=9A259621
• Number of ways to write n as an ordered sum of 6 prime power palindromes (A084092).at n=35A282845
• Expansion of Product_{k>=1} 1/(1 - x^k)^(k-phi(k)), where phi() is the Euler totient function (A000010).at n=31A307705
• Number of irreducible endless self-avoiding walks of length n for the square lattice.at n=9A334324
• Triangle read by rows: T(n,k) is the number of proper vertex colorings of the n-complete tripartite graph using exactly k interchangeable colors, 3 <= k <= 3*n.at n=29A385432
• Number of 4 element sets of distinct integer sided rectangles that fill an n X n square.at n=36A387171