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A043675 Numbers whose base-16 representation has exactly 2 runs. 1
16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MAPLE
N:= 3; # get all results <= 16^N
sort([seq(seq(seq(seq((a*(16^n-16^k)+b*(16^k-1))/15, k=1..n-1), n=2..N),
b={$0..15} minus {a}), a=1..15)]); # Robert Israel, Dec 11 2015
CROSSREFS
Sequence in context: A341271 A358677 A085096 * A043705 A178980 A031315
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified July 19 04:24 EDT 2024. Contains 374388 sequences. (Running on oeis4.)