login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A263205 Start of a string of exactly 8 consecutive (but disjoint) pairs of twin primes. 4
1107819732821, 3735283249697, 4588646146631, 6340698579419, 8412649748537, 9206359843907, 9667145661911, 10261787848841, 10877306469737, 13792968231041, 17231043159311, 18996369140627, 21471510972419, 21791129807147, 23105869316669, 23224938371519 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Tomáš Brada, Table of n, a(n) for n = 1..10000 (first 167 terms from Dmitry Petukhov)
EXAMPLE
Starting from 1107819732769 = A151799(A151799(1107819732821)), the gaps between the next primes are (40, 12, 2, 88, 2, 4, 2, 28, 2, 10, 2, 16, 2, 58, 2, 22, 2, 24, 16) with 8 occurrences of 2, so 1107819732821 is a term. - Michel Marcus, Oct 16 2015
CROSSREFS
Sequence in context: A287251 A165987 A139573 * A095428 A227893 A233842
KEYWORD
nonn
AUTHOR
Dmitry Petukhov, Oct 12 2015
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 04:35 EDT 2024. Contains 371782 sequences. (Running on oeis4.)