A124086 Least k such that k*p(n)!/p(n)# -1 and k*p(n)!/p(n)# +1 are twin primes starting with n=3,(p(i)=i-th prime).

1, 3, 8, 19, 14, 10, 25, 184, 212, 182, 15, 291, 122, 340, 462, 326, 284, 425, 224, 596, 1296, 1602, 2222, 229, 145, 529, 2761, 5009, 1456, 2745, 6092, 546, 1633, 7976, 573, 3392

Offset

3,2

Links

Table of n, a(n) for n=3..38.

Example

3*2*3*4*5*6*7/(2*3*5*7) -1 = 71 prime twin of 73
3*2*3*4*5*6*7/(2*3*5*7) +1 = 73 prime twin of 71, so k(4)=3 as p(4)=7

Crossrefs

Sequence in context: A226593 A023371 A358984 * A091109 A219391 A123982

Adjacent sequences: A124083 A124084 A124085 * A124087 A124088 A124089

Keyword

nonn

Author

Pierre CAMI, Nov 25 2006

Status

approved