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

1,2

Links

Table of n, a(n) for n=1..57.

Example

27 is in the sequence because bigomega(27) = 3 and bigomega(27 + 3) = bigomega(30) = 3.

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);

Crossrefs

Sequence in context: A189896 A095182 A104465 * A098515 A256451 A059719

Adjacent sequences: A175756 A175757 A175758 * A175760 A175761 A175762

Keyword

nonn

Author

Michel Lagneau, Aug 28 2010

Status

approved