|
|
A059708
|
|
Numbers n such that all digits have same parity.
|
|
9
|
|
|
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 13, 15, 17, 19, 20, 22, 24, 26, 28, 31, 33, 35, 37, 39, 40, 42, 44, 46, 48, 51, 53, 55, 57, 59, 60, 62, 64, 66, 68, 71, 73, 75, 77, 79, 80, 82, 84, 86, 88, 91, 93, 95, 97, 99, 111, 113, 115, 117, 119, 131, 133, 135, 137, 139
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,3
|
|
COMMENTS
|
|
|
LINKS
|
|
|
MATHEMATICA
|
Select[Range[0, 140], (cnt = Count[id = IntegerDigits[#], _?OddQ]; cnt == 0 || cnt == Length[id]) & ] (* Jean-François Alcover, May 16 2013 *)
|
|
PROG
|
(Haskell)
a059708 n = a059708_list !! (n-1)
a059708_list = filter sameParity [0..] where
sameParity n = all (`elem` "02468") ns
|| all (`elem` "13579") ns where ns = show n
|
|
CROSSREFS
|
|
|
KEYWORD
|
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|