A175759 Numbers n such that bigomega( n+bigomega(n) ) = bigomega(n), where bigomega = A001222.
1, 2, 4, 27, 33, 36, 42, 49, 55, 56, 63, 75, 84, 85, 91, 93, 99, 100, 102, 114, 119, 121, 132, 136, 141, 143, 152, 159, 171, 172, 183, 185, 201, 203, 213, 215, 217, 219, 228, 235, 242, 247, 255, 258, 265, 279, 282, 287, 289, 299, 301, 303, 319, 321, 322, 327, 339
Offset: 1
Keywords
Examples
27 is in the sequence because bigomega(27) = 3 and bigomega(27 + 3) = bigomega(30) = 3.
Programs
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Maple
with(numtheory): a := proc (n) if bigomega(n+bigomega(n)) = bigomega(n) then n else end if end proc: seq(a(n), n = 1 .. 400);