34637
domain: N
Appears in sequences
- Number of bipartite partitions.at n=19A002768
- 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 k u=(2,1) steps among the steps leading to the first d step.at n=30A108440
- Sum of values of repunits of length n in base b representation with 1<b<=n+1.at n=5A125120
- Number of 2 X 2 matrices having all terms in {1,...,n} and determinant in the closed interval [0,n].at n=26A211057
- Minimum value unattainable as the sum of 2 attained values of a*b*c with a,b,c 0..n integers.at n=31A225264
- Expansion of Sum_{k>=1} (-1 + Product_{j>=1} 1/(1 - j*x^(k*j))).at n=16A318025
- Irregular triangle read by rows: T(n,k) is the number of flattened Catalan words of length n with exactly k symmetric peaks, with k >= 0.at n=37A372883