18801

Appears in sequences

• a(n) is the solution to the postage stamp problem with 5 denominations and n stamps.at n=21A001210
• Number of meaningful differential operations of the n-th order on the space R^5.at n=14A090990
• Sum of the cubes of the first n cubefree numbers.at n=15A114286
• Number of monocyclic skeletons with n carbon atoms and a ring size of 6.at n=10A120779
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, -1, 1), (0, 0, 1), (0, 1, 0), (1, 0, -1)}.at n=8A150134
• Number of nX4 0..2 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=6A200773
• Number of nX7 0..2 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=3A200776
• T(n,k)=Number of nXk 0..2 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=48A200777
• T(n,k)=Number of nXk 0..2 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=51A200777
• Numbers x such that the base 10 representation of x^2 forms an arithmetic sequence when split into equal-sized chunks.at n=4A244660
• Fixed points of A275957; numbers n for which A060125(n) = A225901(n).at n=40A275843
• Sum of the second largest parts of the partitions of n into 8 squarefree parts.at n=50A326451
• Numbers that are the sum of a positive square and a positive fifth power in more than one way.at n=12A363715
• Number of permutations (p(1),p(2),...,p(n)) of (1,2,...,n) such that p(i)-i is in {-2,-1,4} for all i=1,...,n.at n=37A376743