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!)
A136479 Odd primitive abundant numbers n such that n = x^2 + x + y^2 with y^2 < 2*x and x and y primes, subsequence of A136476. 4

%I #6 Sep 08 2022 13:02:47

%S 9555,51765,17787315

%N Odd primitive abundant numbers n such that n = x^2 + x + y^2 with y^2 < 2*x and x and y primes, subsequence of A136476.

%C x values in A136477.

%e 9555 = 97^2+97+7^2 and 9555 odd primitive abundant number A136476(1), 97 and 7 primes so A136479(1) = 9555.

%Y Cf. A006038, A136476, A136477, A136478.

%K nonn,bref

%O 1,1

%A _Pierre CAMI_, Dec 31 2007

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 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)