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A175765 Pairs (t,t+8) of 3-almost primes t separated by 8. 1
12, 20, 20, 28, 42, 50, 44, 52, 68, 76, 70, 78, 102, 110, 116, 124, 117, 125, 130, 138, 164, 172, 174, 182, 182, 190, 222, 230, 230, 238, 236, 244, 238, 246, 258, 266, 282, 290, 284, 292, 310, 318, 325, 333, 366, 374, 402, 410, 404, 412, 410, 418, 418, 426, 426, 434 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Pairs (12,20), (20,28), (42,50) etc, sorted by the smaller member, such that both numbers are members of A014612 and their difference is 8.

LINKS

Table of n, a(n) for n=1..56.

CROSSREFS

Cf. A014612, A077800, A175612.

Sequence in context: A166671 A104198 A093314 * A138166 A208273 A046418

Adjacent sequences:  A175762 A175763 A175764 * A175766 A175767 A175768

KEYWORD

nonn,easy,less

AUTHOR

Juri-Stepan Gerasimov, Aug 30 2010

EXTENSIONS

Corrected (236 replaced by 238, 258, 266 inserted etc.) by R. J. Mathar, Sep 01 2010

STATUS

approved

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Last modified May 23 05:25 EDT 2019. Contains 323508 sequences. (Running on oeis4.)