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!)
A176810 Semiprimes of the form 2 * (greater of twin primes). 4

%I #8 May 06 2013 11:31:19

%S 10,14,26,38,62,86,122,146,206,218,278,302,362,386,398,458,482,542,

%T 566,626,698,842,866,926,1046,1142,1202,1238,1286,1322,1622,1646,1658,

%U 1718,1766,2042,2066,2102,2126,2186,2306,2462,2558,2582,2606,2642,2858,2906

%N Semiprimes of the form 2 * (greater of twin primes).

%F a(n)=2*A006512(n).

%Y Cf. A001359, A006512, A108605.

%K nonn

%O 1,1

%A _Juri-Stepan Gerasimov_, Apr 26 2010

%E Corrected (122 inserted, 286 replaced by 386, 2202 replaced by 2102 etc.) by _R. J. Mathar_, Aug 12 2010

%E Definition corrected by _Zak Seidov_, May 06 2013

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 25 12:15 EDT 2024. Contains 371969 sequences. (Running on oeis4.)