26696

Appears in sequences

• Expansion of Product_{m>=1} (1 - m*q^m)^8.at n=14A022668
• a(n) = n* - 2^(n-1), where n* (A003418) = least common multiple of the numbers [1,...,n].at n=10A059794
• Numbers k such that (k+3, k+5, k+17, k+257, k+65537) are all primes.at n=24A063799
• f-amicable numbers where f(n) = n-1.at n=9A066511
• Dispersion of (2*floor(n*r)), where r=(golden ratio), by antidiagonals.at n=46A191454
• a(n) = Sum_{k=0..n} binomial(2*n+2*k,n-k).at n=7A360143