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

%I #40 May 25 2020 15:53:13

%S 1107819732821,3735283249697,4588646146631,6340698579419,

%T 8412649748537,9206359843907,9667145661911,10261787848841,

%U 10877306469737,13792968231041,17231043159311,18996369140627,21471510972419,21791129807147,23105869316669,23224938371519

%N Start of a string of exactly 8 consecutive (but disjoint) pairs of twin primes.

%H Tomáš Brada, <a href="/A263205/b263205.txt">Table of n, a(n) for n = 1..10000</a> (first 167 terms from Dmitry Petukhov)

%e 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

%Y Cf. A001359, A035789, A035790, A035791, A035792, A035793, A035794, A035795, A087641.

%K nonn

%O 1,1

%A _Dmitry Petukhov_, Oct 12 2015

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 March 29 06:44 EDT 2024. Contains 371265 sequences. (Running on oeis4.)