77265

Appears in sequences

• a(n) = (1/n)*Sum_{i=0..n-1} C(n,i)*C(n,i+1)*8^i*9^(n-i), a(0)=1.at n=4A133309
• Numbers k such that k-4, k-2, k+2 and k+4 are prime.at n=31A173037
• Number of prime factors in A052129(n).at n=17A238496
• Odd composites for which gcd(A325977(n), A325978(n)) is equal to abs(A325977(n)).at n=16A325981
• Number of ways to split a strict composition of n into contiguous subsequences with different sums.at n=23A336128