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A085649 Brilliant numbers k such that 2k+1 is also brilliant. +0
1
4, 10, 533, 671, 869, 1139, 2279, 14873, 17819, 20651, 22523, 23129, 23381, 25199, 28013, 28943, 31439, 31571, 33899, 35369, 35621, 37241, 37403, 39059, 39449, 41291, 42401, 42431, 42881, 43259, 45173, 45803, 49583, 49649, 49949, 50621 (list; graph; listen)
OFFSET

0,1

EXAMPLE

1139 is a member because 1139 = 17*67 and 1139*2+1 = 2279 =

43*53.

CROSSREFS

Cf. A078972.

Sequence in context: A118378 A003086 A102958 this_sequence A152396 A048873 A091390

Adjacent sequences: A085646 A085647 A085648 this_sequence A085650 A085651 A085652

KEYWORD

base,nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 11 2003

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Last modified December 5 08:23 EST 2009. Contains 170348 sequences.


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