13824739

Properties

Appears in sequences

• Eulerian numbers (Euler's triangle: column k=3 of A008292, column k=2 of A173018).at n=12A000460
• Odd numbers in the triangle of Eulerian numbers that are not 1.at n=30A014461
• Triangular array formed from odd elements to right of middle of rows of the triangle of Eulerian numbers (A008292).at n=30A014469
• Triangular array formed from odd elements to right of middle of rows of the triangle of Eulerian numbers that are greater than 1.at n=17A014470
• Prime numbers in the triangle of Eulerian numbers.at n=6A065050
• Sub-triangle of A008292: take every second term of every second row.at n=29A085503
• Triangle T(n, k) = Eulerian(n*f(n, k) + 1, f(n, k)), where f(n, k) = k if k <= floor(n/2) otherwise n-k, read by rows.at n=30A157221
• Triangle T(n, k) = Eulerian(n*f(n, k) + 1, f(n, k)), where f(n, k) = k if k <= floor(n/2) otherwise n-k, read by rows.at n=33A157221
• Prime numbersat n=899441