17710319

Appears in sequences

• Smallest Riesel number that is divisible by the n-th prime.at n=26A213529
• 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=16A244071
• 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=9A368560
• 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=23A368560