OFFSET
1,1
LINKS
Laurent Coppey, Décompositions multiplicatives directes des entiers, Diagrammes, 65-66 (2011), p. 1-68, in French, see J8 p. 11.
EXAMPLE
The composite number 90 is sandwiched between consecutive primes 89 and 97, and 97-89=8, so 90 is a member of the sequence.
MATHEMATICA
Range[#[[1]]+1, #[[2]]-1]&/@Select[Partition[Prime[Range[150]], 2, 1], #[[2]]-#[[1]] == 8&]//Flatten (* Harvey P. Dale, May 15 2022 *)
PROG
(PARI) lista(nn) = {forcomposite(c=4, nn, if ((p=precprime(c)) && ((nextprime(c)-p)==8), print1(c, ", ")); ); }
CROSSREFS
KEYWORD
nonn
AUTHOR
Michel Marcus, Apr 02 2016
STATUS
approved