74752

Appears in sequences

• Numerator of Sum_{k=1..n} 2^k/k.at n=10A108866
• Number of Proth primes: number of primes of the form 1 + k*2^n with k odd and k < 2^n.at n=20A134876
• Numbers with 22 divisors.at n=19A137485
• a(n) = 73*n^2.at n=32A174334
• Number of set partitions of [n] with alternating parity of elements.at n=13A274547
• E.g.f.: 1/Product_{k>0} (1-x^(2*k-1)/(2*k-1)).at n=8A294506
• a(n) = Sum_{d|n} max(d, n/d)^3.at n=31A297842
• a(n) = n! * [x^n] Product_{k=1..n, gcd(n,k) = 1} 1 / (1 - x^k/k).at n=8A338437
• Numerators of the expected number of steps to hit the opposite corner by simple random walk on the n-cube.at n=9A384229