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A039504
Odd numbers from A039501.
2
5, 7, 9, 13, 19, 27, 35, 47, 51, 63, 75, 81, 89, 93, 107, 119, 121, 125, 133, 139, 143, 149, 159, 161, 167, 177, 181, 187, 191, 199, 203, 215, 223, 237, 241, 251, 255, 265, 271, 281, 285, 287, 297, 299, 317, 323, 333, 335, 341, 353, 355, 357, 361, 371, 375
OFFSET
1,1
MATHEMATICA
colln[n_]:= NestWhile[If[EvenQ[#], #/2, 3#-1] &, n, FreeQ[{1, 5, 17}, #] &]; Select[Range[1, 375, 2], colln[#] == 5 &] (* Jayanta Basu, Jun 06 2013 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Christian G. Bower, Feb 15 1999
STATUS
approved