OFFSET
2,1
COMMENTS
Conjecture: The number of terms in this sequence is infinite.
LINKS
Harvey P. Dale, Table of n, a(n) for n = 2..1000
EXAMPLE
The last digits of the consecutive prime pair 7 and 11 differ by 6 so 7 is in the table.
MATHEMATICA
Select[Partition[Prime[Range[200]], 2, 1], Abs[Mod[#[[1]], 10]-Mod[#[[2]], 10]]==6&][[All, 1]] (* Harvey P. Dale, Jan 23 2023 *)
PROG
(PARI) \d can be 2, 4, 6, 8 primediffd(n, d) = { forprime(x=3, n, y=abs((nextprime(x+1)%10-x%10)); if(y==d, print1(x", ") ) ) }
CROSSREFS
KEYWORD
easy,nonn,base,less
AUTHOR
Cino Hilliard, May 19 2007
STATUS
approved