393792
domain: N
Appears in sequences
- Triangle read by rows: T(n,k) = number of permutations p of 1,...,n, with min(|p(i)-p(i-1)|, i=2..n) = k (n>=2, k>=1).at n=33A129534
- Coefficients in q-expansion of E_2^2, where E_2 is the Eisenstein series shown in A006352.at n=12A281374
- Number of ways two L-tiles (with rotation) can be placed on an n X n square.at n=15A348134