790841

Appears in sequences

• Riesel numbers n (n*2^k-1 is composite for all k>0, n odd) that have a covering set.at n=3A101036
• Smallest Riesel number that is divisible by the n-th prime.at n=9A213529
• Smallest Riesel number that is divisible by the n-th prime.at n=23A213529
• Odd integers n such that for every integer k>0, n*2^k-1 has a divisor in the set {3, 5, 7, 13, 19, 37, 73}.at n=1A244071
• Odd numbers n not congruent to 1 mod 6 and that are not perfect powers such that for all k >= 1 the numbers n*4^k - 1 are composite.at n=5A251757
• a(1) = 78557 (the first Sierpinski number); thereafter a(n+1) = Od(3*5*7*13*19*37*73 - a(n)), where Od(m) is the odd part of m.at n=7A368560
• a(1) = 78557 (the first Sierpinski number); thereafter a(n+1) = Od(3*5*7*13*19*37*73 - a(n)), where Od(m) is the odd part of m.at n=21A368560