102434
domain: N
Appears in sequences
- Positive numbers k such that k and 4*k are anagrams in base 7 (written in base 7).at n=27A023070
- Number of asymmetric types of (3,n)-hypergraphs without isolated nodes, under action of symmetric group S_3; asymmetric n-covers of an unlabeled 3-set.at n=16A055538
- Number of (n+1) X (3+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.at n=12A250764