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A121036
Multiples of 16 containing a 16 in their decimal representation.
34
16, 160, 416, 816, 1168, 1216, 1600, 1616, 1632, 1648, 1664, 1680, 1696, 2016, 2160, 2416, 2816, 3168, 3216, 3616, 4016, 4160, 4416, 4816, 5168, 5216, 5616, 6016, 6160, 6416, 6816, 7168, 7216, 7616, 8016, 8160, 8416, 8816, 9168, 9216, 9616, 10016
OFFSET
1,1
FORMULA
a(n) ~ 16n. - Charles R Greathouse IV, Jul 16 2011
MATHEMATICA
seqMemberQ[lst_, seq_]:=MemberQ[Partition[lst, Length[seq], 1], seq]
m16Q[n_]:=seqMemberQ[IntegerDigits[n], {1, 6}]
Select[16Range[1000], m16Q] (* Harvey P. Dale, Feb 26 2011 *)
Select[16Range[1000], SequenceCount[IntegerDigits[#], {1, 6}]>0&] (* The program uses the SequenceCount function from Mathematica version 10 *) (* Harvey P. Dale, Apr 12 2016 *)
PROG
(PARI) is(n)=if(n%16, return(0)); n=eval(Vec(Str(n))); for(i=2, #n, if(n[i]==6&&n[i-1]==1, return(1))); 0
KEYWORD
nonn,base,easy
AUTHOR
Reinhard Zumkeller, Jul 21 2006
EXTENSIONS
Corrected by Harvey P. Dale, Feb 26 2011
STATUS
approved