19334

Appears in sequences

• Coordination sequence for sigma-CrFe, Position Xb.at n=35A009960
• Smallest of first string of exactly 2n-1 consecutive composite integers.at n=19A045881
• First subsequent, disjoint occurrence of n consecutive nonprimes.at n=37A060064
• Matrix product of Stirling2-triangle A008277(n,k) and unsigned Stirling1-triangle |A008275(n,k)|.at n=22A079641
• Sum of the entries in the character table of the alternating group A_n.at n=10A086808
• Triangle read by rows: T(n,k) is the number of Grand Dyck paths of semilength n that have k double rises above the x-axis (n >= 1, k >= 0).at n=49A118964
• T(n, k) = [x^k] Sum_{k=0..n} Stirling2(n, k)*RisingFactorial(x, k), triangle read by rows, for n >= 0 and 0 <= k <= n.at n=30A129062
• Third column (m=2) of triangle A129062 and second column of triangle A079641.at n=5A129063
• Numbers n such that phi(n) = Sum_{j=1..k} d(n^j) for some k, where phi(n) is the Euler totient function of n and d(n) is the number of divisors of n.at n=43A283757
• a(n) is the smallest positive integer that begins a run of exactly 2*n-1 consecutive integers having at least 4 divisors each.at n=19A340735
• Number of integer partitions of 2n whose distinct parts sum to n.at n=29A364910