232560

Appears in sequences

• From the enumeration of corners.at n=7A006333
• Theta series of A*_20 lattice.at n=49A023932
• "DHK[ 7 ]" (bracelet, identity, unlabeled, 7 parts) transform of 1,1,1,1,...at n=30A032248
• A subclass of quasi-acyclic automata with 3 inputs, n transient and k absorbing labeled states.at n=30A082172
• Eighth column (m=7) of (1,4)-Pascal triangle A095666.at n=14A095670
• Number of permutations of [n] with exactly 2 descents which avoid the pattern 1324.at n=17A098992
• a(n) = n*(n+1)*(n+2)*(n+3)*(n+4)/8.at n=16A151974
• Convolution square of A058187, the tetrahedral series with repeats.at n=29A178440
• Array to be read by rows: Number of ways of placing n rods of length L in a LxLxL simple cubic lattice without any two rods intersecting. (Consecutive rows are for L>=0; in each row, 0<=n<=L^2.)at n=23A185697
• a(n) = 3*binomial(n+1,7).at n=13A253944
• a(n) = 6*binomial(n+1, 6).at n=14A253946
• Intervals of balanced binary trees in the Tamari lattices.at n=20A263446
• Expansion of Sum_{0<i<j<k<l} q^(i+j+k+l)/( (1-q^i)*(1-q^j)*(1-q^k)*(1-q^l) )^2.at n=27A365664