23336

Appears in sequences

• Number of bipartite partitions of n white objects and 4 black ones.at n=17A000465
• Interprimes which are of the form s*prime, s=8.at n=34A075283
• {a(1,n)}, where a(m,n) is defined in sequence A110576.at n=8A110577
• Number of factorizations of m^n into 3 factors, where m is a product of exactly 3 distinct primes and each factor is a product of n primes (counted with multiplicity).at n=31A257464
• Number of nonnegative integer matrices with sum of entries equal to n, no zero rows or columns, and distinct rows (or distinct columns).at n=6A321586
• Numbers k for which phi(k) = phi(k''), where phi is the Euler totient function (A000010) and k'' the second arithmetic derivative of k (A068346).at n=40A352331