53413360

Appears in sequences

• a(n) = denominator(Sum_{k=1..n} 1/(prime(k)-1)).at n=17A128646
• a(n) = denominator(Sum_{k=1..n} (-1)^(k+1)/(prime(k)-1)).at n=18A128648
• a(n) = denominator(Sum_{k=1..n} (-1)^(k+1)/(prime(k)-1)).at n=19A128648