login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A079013
Least prime p introducing prime-difference pattern {d, 2*d, 4*d, 8*d}, where d = 2*n, i.e., {p, p+2*n, p+6*n, p+14*n, p+30*n} are consecutive primes.
4
2237, 1197739, 8052641, 18365693, 151738897, 196061237, 946120169, 15367934161, 36116700523, 49526343773
OFFSET
1,1
EXAMPLE
For n=4, d = 2*n = 8, d-pattern = {8, 16, 32, 64}, a(6)=18365693, first corresponding prime 5-tuplet is {18365693, 18365701, 18365717, 18365729, 18365793}.
CROSSREFS
Sequence in context: A289454 A378563 A372248 * A186865 A038728 A002520
KEYWORD
nonn,more
AUTHOR
Labos Elemer, Jan 21 2003
EXTENSIONS
a(8)-a(10) from Jinyuan Wang, Feb 11 2021
STATUS
approved