A007091 -id:A007091 - cp's OEIS frontend

A032976 Numbers with the property that all pairs of consecutive base-5 digits differ by 0 or 1.

1, 2, 3, 4, 5, 6, 7, 11, 12, 13, 17, 18, 19, 23, 24, 25, 26, 30, 31, 32, 36, 37, 38, 55, 56, 57, 61, 62, 63, 67, 68, 69, 86, 87, 88, 92, 93, 94, 98, 99, 117, 118, 119, 123, 124, 125, 126, 130, 131, 132, 150, 151, 155, 156, 157, 161, 162, 163

Offset: 1

Clark Kimberling

Robert Israel, Table of n, a(n) for n = 1..10000

Cf. A007091.

filter:= proc(n) local L,S;
  L:= convert(n,base,5);
  S:= convert(L[2..-1] - L[1..-2],set);
  max(S)<=1 and min(S)>=-1
end proc:
select(filter, [$1..1000]); # Robert Israel, Nov 16 2016

A033083 Numbers in which all pairs of consecutive base-5 digits differ by 2.

Original entry on oeis.org

1, 2, 3, 4, 8, 10, 14, 16, 22, 41, 52, 72, 83, 110, 114, 208, 260, 264, 360, 364, 416, 552, 572, 1041, 1302, 1322, 1802, 1822, 2083, 2760, 2764, 2860, 2864, 5208, 6510, 6514, 6610, 6614, 9010, 9014, 9110, 9114, 10416, 13802, 13822, 14302, 14322, 26041, 32552

Offset: 1

Clark Kimberling

Harvey P. Dale, Table of n, a(n) for n = 1..100 (All terms up to 10^6)

Cf. A007091.

Join[{1,2,3,4},Select[Range[35000],Union[Abs[Differences[IntegerDigits[#,5]]]]=={2}&]] (* Harvey P. Dale, Sep 24 2024 *)

A039007 Numbers whose base-5 representation has the same number of 0's and 1's.

Original entry on oeis.org

2, 3, 4, 5, 12, 13, 14, 17, 18, 19, 22, 23, 24, 27, 28, 29, 35, 40, 45, 51, 55, 62, 63, 64, 67, 68, 69, 72, 73, 74, 76, 80, 87, 88, 89, 92, 93, 94, 97, 98, 99, 101, 105, 112, 113, 114, 117, 118, 119, 122, 123, 124, 126, 130, 137, 138, 139, 142, 143, 144, 147, 148

Offset: 1

Olivier Gérard

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Cf. A007091.

Select[Range[200],DigitCount[#,5,0]==DigitCount[#,5,1]&] (* Harvey P. Dale, May 30 2013 *)

A039008 Numbers whose base-5 representation has the same number of 0's and 2's.

Original entry on oeis.org

1, 3, 4, 6, 8, 9, 10, 16, 18, 19, 21, 23, 24, 27, 31, 33, 34, 35, 41, 43, 44, 46, 48, 49, 51, 53, 54, 55, 65, 70, 77, 81, 83, 84, 85, 91, 93, 94, 96, 98, 99, 102, 106, 108, 109, 110, 116, 118, 119, 121, 123, 124, 132, 136, 138, 139, 142, 147, 152, 156, 158, 159, 160

Offset: 1

Olivier Gérard

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Cf. A007091.

Select[Range[180],DigitCount[#,5,0]==DigitCount[#,5,2]&] (* Harvey P. Dale, May 02 2011 *)

A039009 Numbers whose base-5 representation has the same number of 0's and 3's.

Original entry on oeis.org

1, 2, 4, 6, 7, 9, 11, 12, 14, 15, 21, 22, 24, 28, 31, 32, 34, 36, 37, 39, 40, 46, 47, 49, 53, 56, 57, 59, 61, 62, 64, 65, 71, 72, 74, 76, 77, 79, 80, 85, 95, 103, 106, 107, 109, 111, 112, 114, 115, 121, 122, 124, 133, 138, 141, 142, 144, 148, 153, 156, 157, 159, 161

Offset: 1

Olivier Gérard

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Cf. A007091.

Select[Range[200],DigitCount[#,5,0]==DigitCount[#,5,3]&] (* Harvey P. Dale, Dec 10 2015 *)

A039010 Numbers whose base-5 representation has the same number of 1's and 2's.

Original entry on oeis.org

0, 3, 4, 7, 11, 15, 18, 19, 20, 23, 24, 27, 35, 38, 39, 42, 47, 51, 55, 58, 59, 66, 71, 75, 78, 79, 82, 86, 90, 93, 94, 95, 98, 99, 100, 103, 104, 107, 111, 115, 118, 119, 120, 123, 124, 127, 135, 138, 139, 142, 147, 162, 175, 178, 179, 182, 186, 190, 193, 194

Offset: 1

Olivier Gérard

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Cf. A007091.

A039011 Numbers whose base-5 representation has the same number of 1's and 3's.

Original entry on oeis.org

0, 2, 4, 8, 10, 12, 14, 16, 20, 22, 24, 28, 38, 40, 42, 44, 48, 50, 52, 54, 58, 60, 62, 64, 66, 70, 72, 74, 76, 80, 82, 84, 86, 96, 100, 102, 104, 108, 110, 112, 114, 116, 120, 122, 124, 128, 138, 140, 142, 144, 148, 168, 178, 188, 190, 192, 194, 198, 200, 202

Offset: 1

Olivier Gérard

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Cf. A007091.

A039012 Numbers whose base-5 representation has the same number of 1's and 4's.

Original entry on oeis.org

0, 2, 3, 9, 10, 12, 13, 15, 17, 18, 21, 29, 39, 44, 45, 47, 48, 50, 52, 53, 59, 60, 62, 63, 65, 67, 68, 71, 75, 77, 78, 84, 85, 87, 88, 90, 92, 93, 96, 101, 105, 107, 108, 111, 116, 129, 139, 144, 145, 147, 148, 174, 179, 189, 194, 195, 197, 198, 204, 214, 219, 220

Offset: 1

Olivier Gérard

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Cf. A007091.

Select[Range[0,250],DigitCount[#,5,1]==DigitCount[#,5,4]&] (* Harvey P. Dale, Jul 14 2022 *)

A039013 Numbers whose base-5 representation has the same number of 2's and 3's.

Original entry on oeis.org

0, 1, 4, 5, 6, 9, 13, 17, 20, 21, 24, 25, 26, 29, 30, 31, 34, 38, 42, 45, 46, 49, 53, 58, 65, 66, 69, 73, 77, 82, 85, 86, 89, 97, 100, 101, 104, 105, 106, 109, 113, 117, 120, 121, 124, 125, 126, 129, 130, 131, 134, 138, 142, 145, 146, 149, 150, 151, 154, 155, 156

Offset: 1

Olivier Gérard

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Cf. A007091.

Select[Range[0,200],DigitCount[#,5,2]==DigitCount[#,5,3]&] (* Harvey P. Dale, Aug 27 2016 *)

A039014 Numbers whose base-5 representation has the same number of 2's and 4's.

Original entry on oeis.org

0, 1, 3, 5, 6, 8, 14, 15, 16, 18, 22, 25, 26, 28, 30, 31, 33, 39, 40, 41, 43, 47, 54, 59, 69, 70, 71, 73, 75, 76, 78, 80, 81, 83, 89, 90, 91, 93, 97, 102, 107, 110, 111, 113, 117, 125, 126, 128, 130, 131, 133, 139, 140, 141, 143, 147, 150, 151, 153, 155, 156, 158

Offset: 1

Olivier Gérard

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Cf. A007091.

Select[Range[0,200],DigitCount[#,5,2]==DigitCount[#,5,4]&] (* Harvey P. Dale, Jul 17 2016 *)

cp's OEIS Frontend

A032976 Numbers with the property that all pairs of consecutive base-5 digits differ by 0 or 1.

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Maple

A033083 Numbers in which all pairs of consecutive base-5 digits differ by 2.

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Mathematica

A039007 Numbers whose base-5 representation has the same number of 0's and 1's.

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Mathematica

A039008 Numbers whose base-5 representation has the same number of 0's and 2's.

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Mathematica

A039009 Numbers whose base-5 representation has the same number of 0's and 3's.

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Mathematica

A039010 Numbers whose base-5 representation has the same number of 1's and 2's.

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A039011 Numbers whose base-5 representation has the same number of 1's and 3's.

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A039012 Numbers whose base-5 representation has the same number of 1's and 4's.

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Author

Keywords

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Programs

Mathematica

A039013 Numbers whose base-5 representation has the same number of 2's and 3's.

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Author

Keywords

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Programs

Mathematica

A039014 Numbers whose base-5 representation has the same number of 2's and 4's.

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Author

Keywords

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Programs

Mathematica