44074

Appears in sequences

• Number of permutations of length n which avoid the patterns 1234 and 1324.at n=9A053617
• Expansion of (1-x-sqrt(1-2*x-3*x^2-4*x^3))/(2*x*(1+x)).at n=13A071359
• Triangle read by rows of numbers of paths in a lattice satisfying certain conditions.at n=48A071950
• Triangle T(n,k) read by rows: number of permutations in [n] with exactly k ascents that have an even number of inversions.at n=39A128612
• Triangle T(n,k) read by rows: number of permutations in [n] with exactly k ascents that have an even number of inversions.at n=41A128612
• Triangle read by rows: T(n,k) is the number of even permutations of {1,2,...,n} having k descents (n >= 1, k >= 0).at n=35A145882
• Triangle read by rows: T(n,k) is the number of even permutations of {1,2,...,n} having k descents (n >= 1, k >= 0).at n=37A145882
• Indices of primes in A214829.at n=26A243622