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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
9555, 51765, 17787315 (list; graph; refs; listen; history; text; internal format)
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=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

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Last modified January 28 05:27 EST 2022. Contains 350654 sequences. (Running on oeis4.)