A136479 - OEIS

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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.

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(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`

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Last modified December 2 06:18 EST 2023. Contains 367509 sequences. (Running on oeis4.)