A167890 Numbers n with property that in each of 9 bases 2..10, n has (at least one) substring '11'.

2381167, 2435011, 2507119, 5407113, 5411372, 5411421, 5411470, 5411519, 5411567, 5411568, 5411569, 5411570, 5411571, 5411572, 5411573, 5411617, 5411666, 5411715, 5411764, 5411813, 5411915, 5411916, 5558911, 5801161

Offset

1,1

Links

Zak Seidov, Table of n, a(n) for n = 1..250

Example

2381167_10, 4428311_9, 11052557_8, 26145115_7, 123011531_6, 1102144132_5,
21011111233_4, 11110222100101_3, 1001000101010101101111_2
2435011_10, 4521177_9, 11223703_8, 26461105_7, 124105111_6, 1110410021_5,
21102133003_4, 11120201012121_3, 1001010010011111000011_2.

Mathematica

Select[Range[6*10^6], Min[SequenceCount[#, {1, 1}]&/@IntegerDigits[ #, Range[ 2, 10]]]>0&] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jul 19 2020 *)

Crossrefs

Sequence in context: A251388 A185853 A232413 * A184496 A022247 A198781

Adjacent sequences: A167887 A167888 A167889 * A167891 A167892 A167893

Keyword

base,nonn

Author

Zak Seidov, Nov 14 2009

Status

approved