190575

Appears in sequences

• S2(j,2j+2) where S2(n,k) is a 2-associated Stirling number of the second kind.at n=4A000497
• Triangle T(n,k) of associated Stirling numbers of second kind, n >= 2, 1 <= k <= floor(n/2).at n=34A008299
• Triangle of Ward numbers T(n,k) read by rows.at n=25A134991
• Numbers with exactly 4 distinct odd prime divisors {3,5,7,11}.at n=25A147577
• Triangle of Ward numbers T(n,k) (n>=0, k=0 if n=0, otherwise 0 <= k <= n-1) read by rows.at n=24A181996
• Smallest number having exactly n divisors of the form 8*k + 7.at n=14A188226
• Number of cusps in a class of degree-3n complex algebraic surfaces.at n=31A225018
• Triangle read by rows, Ward numbers T(n, k) = Sum_{m=0..k} (-1)^(m + k) * binomial(n + k, n + m) * Stirling2(n + m, m), for n >= 0, 0 <= k <= n.at n=33A269939
• Least value m > 0 such that Diophantine equation z^2 - y^2 - x^2 = m, when the positive integers, x, y and z are consecutive terms of an arithmetic progression, has exactly n solutions.at n=31A334567
• Smallest number having exactly n divisors of the form 8*k + 3.at n=13A343105
• Smallest number having exactly n divisors of the form 8*k + 5.at n=13A343106
• Numbers k with a record number of proper divisors, where all of them have binary weights that are different from the binary weight of k.at n=15A383365