A098927 Least k such that k*P(n)# + P(n+1) and k*P(n)# + P(n+2) are consecutive primes.

13, 24, 4, 45, 7, 8, 20, 9, 23, 82, 13, 30, 13, 60, 146, 60, 20, 8, 29, 37, 52, 106, 155, 8, 183, 47, 59, 104, 710, 425, 320, 189, 60, 263, 355, 245, 382, 440, 610, 1070, 50, 121, 173, 167, 3, 1349, 49, 34, 7, 1328, 390, 310, 1039, 182, 107, 53, 395, 671, 857, 346

Offset

1,1

Links

Table of n, a(n) for n=1..60.

Example

13*2+3=29 prime
13*2+5=31 prime P(1)#=2, 13*P(1)#+P(2) and 13*P(1)#+P(3) are primes so k(1)=13

Crossrefs

Sequence in context: A018945 A018958 A119410 * A133785 A136316 A063315

Adjacent sequences: A098924 A098925 A098926 * A098928 A098929 A098930

Keyword

nonn

Author

Pierre CAMI, Oct 19 2004

Status

approved