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A136476 Odd primitive abundant numbers n such that n = x^2 + x + y^2 with y^2 < 2*x; a subsequence of A006038. 3
9555, 12705, 15015, 18585, 21105, 32445, 41055, 43065, 46035, 47355, 51765, 125895, 129465, 228735, 257565, 324555, 375165, 400785, 409185, 537285, 693225, 4513509, 5569641, 5581695, 5959065, 6084351, 6338535, 8824095, 9597315 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

x values in A136477 and y values in A136478

LINKS

Table of n, a(n) for n=1..29.

EXAMPLE

9555=97^2+97+7^2 and 9555 odd primitive abundant number

CROSSREFS

Cf. A006038, A136477, A136478, A136479.

Sequence in context: A232189 A162029 A223367 * A136479 A133449 A210409

Adjacent sequences:  A136473 A136474 A136475 * A136477 A136478 A136479

KEYWORD

nonn

AUTHOR

Pierre CAMI, Jan 02 2008

STATUS

approved

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Last modified September 23 04:28 EDT 2014. Contains 247089 sequences.