34398
domain: N
Appears in sequences
- a(n) = Sum_{ d >= 1, d divides n} (-1)^(n-d)*d^3.at n=33A008457
- a(n) = (1/(4n+2))*M(3n; n,n,n).at n=4A024487
- Number of diagonal dissections of an n-gon into 5 regions.at n=6A033277
- Number of diagonal dissections of a convex (n+8)-gon into n+1 regions.at n=4A033280
- Triangle read by rows: T(n, k) is the number of diagonal dissections of a convex n-gon into k+1 regions.at n=49A033282
- a(n) = (11*n+5)*(n+4)*(n+3)*(n+2)*(n+1)/120.at n=11A056118
- Numbers that are the products of distinct substrings (>1) of themselves and do not end in 0.at n=35A059470
- Product of sums of divisors and non-divisors.at n=40A066859
- a(n) = Sum_{d divides n} (-1)^(n/d+1)*d^3.at n=33A078307
- Triangle obtained by adding a leading diagonal 1,0,0,0,... to A033282.at n=60A086810
- Triangle of numbers defined by Knuth.at n=24A091884
- Triangle read by rows: T(n,k) is the number of short bushes with n edges and k branchnodes (i.e., nodes of outdegree at least two). A short bush is an ordered tree with no nodes of outdegree 1.at n=69A108263
- Natural numbers that can be factored into the product of three positive integers whose minimal sum is achieved in more than one way.at n=34A112536
- Dimensions of the irreducible representations of the simple Lie algebra of type E6 over the complex numbers, listed in increasing order.at n=14A121737
- Triangle read by rows: T(n,k) is the number of Schroeder paths of semilength n containing exactly k peaks but no peaks at level one (n >= 1; 0 <= k <= n-1).at n=50A126216
- Triangle T(n,k), 0 <= k <= n, read by rows, given by [1,1,1,1,1,1,1,...] DELTA [0,1,0,1,0,1,0,1,0,...] where DELTA is the operator defined in A084938.at n=60A133336
- Aliquot sequence starting at 3630.at n=9A143930
- Number of nondecreasing integer sequences of length 8 with sum zero and sum of absolute values 2n.at n=21A158142
- Number of reduced words of length n in the Weyl group E_7 on 7 generators and order 2903040.at n=17A162493
- Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,0,0,2,2,1,0 for x=0,1,2,3,4,5,6.at n=5A197940