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.

9555, 51765, 17787315

Offset

1,1

Comments

x values in A136477.

Links

Table of n, a(n) for n=1..3.

Example

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

Crossrefs

Cf. A006038, A136476, A136477, A136478.

Sequence in context: A251906 A223367 A136476 * A254015 A254022 A254889

Adjacent sequences: A136476 A136477 A136478 * A136480 A136481 A136482

Keyword

nonn,bref

Author

Pierre CAMI, Dec 31 2007

Status

approved