70775
domain: N
Appears in sequences
- Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 28.at n=18A031706
- Triangle read by rows: T(n,k) is the number of even permutations of {1,2,...,n} with no fixed points and having k excedances (n>=1; k>=1).at n=48A145881
- Triangle read by rows: T(n,k) is the number of even permutations of {1,2,...,n} with no fixed points and having k excedances (n>=1; k>=1).at n=53A145881
- a(n) = 361*n^2 + 19.at n=14A158592