29861

Appears in sequences

• a(n) = floor(11^n/6^n).at n=17A094989
• Numbers n such that 6*p(n)-1 and 6*p(n)+1 are twin primes and 6*p(n+1)-1 and 6*p(n+1)+1 are also twin primes with p(n) = n-th prime.at n=32A126655
• Strictly superdiagonal compositions: compositions (p1, p2, p3, ...) of n such that pi > i.at n=41A238874
• Number of Dyck paths with n nodes and altitude 4.at n=12A318944
• Numbers whose arithmetic derivative (A003415) is a primorial number (A002110) > 1.at n=23A327978
• a(n) is the least integer k whose arithmetic derivative is equal to the n-th primorial, or 0 if no such k exists.at n=5A368703
• Numbers k for which k is a multiple of A276086(A003415(k)), where A003415 is the arithmetic derivative, and A276086 is the primorial base exp-function.at n=9A370115
• Numbers k such that A003415(k) == A276085(k) (mod 2310), where A003415 is the arithmetic derivative and A276085 is the primorial base log-function.at n=28A391864