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A268469
Integers k such that k and k+1 are products of 8 primes.
1
50624, 78975, 156735, 176175, 194480, 245024, 257984, 309375, 390624, 439424, 540224, 543104, 620864, 631071, 693279, 705375, 809919, 854144, 916352, 998000, 1087424, 1143800, 1147040, 1159839, 1165184, 1188999, 1266111, 1274048, 1276479, 1347920, 1389375
OFFSET
1,1
EXAMPLE
50624 = 2^6*7*113; 50625 = 3^4*5^4.
PROG
(PARI) is(n)=bigomega(n)==8 && bigomega(n+1)==8 \\ Charles R Greathouse IV, Feb 08 2016
CROSSREFS
Intersection of A046310 and A045920.
Sequence in context: A317285 A253032 A251486 * A250442 A183824 A013877
KEYWORD
nonn
AUTHOR
Zak Seidov, Feb 08 2016
STATUS
approved