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A136372 Prime factors of elements of A127263. 3
3, 19, 571, 9137, 41113, 174763, 274081, 1236787, 7485811, 23474953, 34630009, 47822393, 69171211, 92346689, 160465489 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Contribution from Alexander Adamchuk (alex(AT)kolmogorov.com), May 14 2010: (Start)

3 divides A127263(n) for n>1.

19 divides A127263(n) for n>2. (End)

EXAMPLE

A127263(1) = 1,

A127263(2) = 3,

A127263(3) = 57 = 3*19,

A127263(4) = 32547 = 3*19*571,

A127263(5) = 9961491 = 3*19*174763,

A127263(6) = 297381939 = 3*19*571*9137.

CROSSREFS

Cf. A127263, A128677, A128678, A128679, A128680, A128681, A128682, A128683, A128684, A128685, A136373.

Cf. A177813, A177814, A177816, A177817, A177818, A177819, A177820. [From Alexander Adamchuk (alex(AT)kolmogorov.com), May 14 2010]

Sequence in context: A176232 A079306 A051381 * A107706 A168591 A114301

Adjacent sequences:  A136369 A136370 A136371 * A136373 A136374 A136375

KEYWORD

hard,more,nonn

AUTHOR

Alexander Adamchuk (alex(AT)kolmogorov.com), Dec 27 2007

EXTENSIONS

Edited and extended by Max Alekseyev (maxale(AT)gmail.com), May 14 2010

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Last modified February 15 06:52 EST 2012. Contains 205694 sequences.