cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-10 of 12 results. Next

A118297 Start with 22 and repeatedly reverse the digits and add 1 to get the next term.

Original entry on oeis.org

22, 23, 33, 34, 44, 45, 55, 56, 66, 67, 77, 78, 88, 89, 99, 100, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6
Offset: 1

Views

Author

Luc Stevens (lms022(AT)yahoo.com), May 14 2006

Keywords

Comments

After 16 steps enters a cycle of length 9.

Crossrefs

Cf. A118551.

Programs

  • Mathematica
    NestList[IntegerReverse[#]+1&,22,100] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Mar 30 2018 *)

A118237 Start with 14 and repeatedly reverse the digits and add 1 to get the next term.

Original entry on oeis.org

14, 42, 25, 53, 36, 64, 47, 75, 58, 86, 69, 97, 80, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9
Offset: 1

Views

Author

Luc Stevens (lms022(AT)yahoo.com), May 14 2006

Keywords

Comments

After 13 steps enters a cycle of length 9.

Crossrefs

Cf. A118551.

Programs

  • Mathematica
    NestList[FromDigits[Reverse[IntegerDigits[#]]]+1&,14,100] (* Harvey P. Dale, Oct 02 2013 *)

A118238 Start with 15 and repeatedly reverse the digits and add 1 to get the next term.

Original entry on oeis.org

15, 52, 26, 63, 37, 74, 48, 85, 59, 96, 70, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10
Offset: 1

Views

Author

Luc Stevens (lms022(AT)yahoo.com), May 14 2006

Keywords

Comments

After 11 steps enters a cycle of length 9.

Crossrefs

Cf. A118551.

Programs

  • Mathematica
    NestList[FromDigits[Reverse[IntegerDigits[#]]]+1&,15,100] (* Harvey P. Dale, Jul 26 2015 *)

A118254 Start with 16 and repeatedly reverse the digits and add 1 to get the next term.

Original entry on oeis.org

16, 62, 27, 73, 38, 84, 49, 95, 60, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3
Offset: 1

Views

Author

Luc Stevens (lms022(AT)yahoo.com), May 14 2006

Keywords

Comments

After 9 steps enters a cycle of length 9.

Crossrefs

Cf. A118551.

Programs

  • Mathematica
    NestList[IntegerReverse[#]+1&,16,100] (* or *) PadRight[{16,62,27,73,38,84,49,95,60},100,{7,8,9,10,2,3,4,5,6}] (* Harvey P. Dale, May 15 2025 *)

A118293 Start with 18 and repeatedly reverse the digits and add 1 to get the next term.

Original entry on oeis.org

18, 82, 29, 93, 40, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6
Offset: 1

Views

Author

Luc Stevens (lms022(AT)yahoo.com), May 14 2006

Keywords

Comments

After 5 steps enters a cycle of length 9.

Crossrefs

Cf. A118551.

A118294 Start with 19 and repeatedly reverse the digits and add 1 to get the next term.

Original entry on oeis.org

19, 92, 30, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9
Offset: 1

Views

Author

Luc Stevens (lms022(AT)yahoo.com), May 14 2006

Keywords

Comments

After 3 steps enters a cycle of length 9.

Crossrefs

Cf. A118551.

Programs

  • Mathematica
    NestList[IntegerReverse[#]+1&,19,100] (* or *) PadRight[{19,92,30},100,{10,2,3,4,5,6,7,8,9}] (* Harvey P. Dale, Feb 21 2023 *)

A118295 Start with 20 and repeatedly reverse the digits and add 1 to get the next term.

Original entry on oeis.org

20, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10
Offset: 1

Views

Author

Luc Stevens (lms022(AT)yahoo.com), May 14 2006

Keywords

Comments

After 1 step enters a cycle of length 9.

Examples

			After a(9) = 10 we get a(10) = (reversed digits of a(9)) + 1 = 01 + 1 = 2. - _David A. Corneth_, Jan 08 2024
		

Crossrefs

Cf. A118551.
Essentially the same as A117230.

Programs

  • Mathematica
    PadRight[{20},100,Range[2,10]] (* Paolo Xausa, Jan 08 2024 *)
  • PARI
    a(n) = if(n == 1, return(20)); return(((n-1)%9) + 2) \\ David A. Corneth, Jan 08 2024

A118296 Start with 21 and repeatedly reverse the digits and add 1 to get the next term.

Original entry on oeis.org

21, 13, 32, 24, 43, 35, 54, 46, 65, 57, 76, 68, 87, 79, 98, 90, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6
Offset: 1

Views

Author

Luc Stevens (lms022(AT)yahoo.com), May 14 2006

Keywords

Comments

After 17 steps enters a cycle of length 9.

Crossrefs

Cf. A118551.
Essentially the same as A118513.

Extensions

New a(13)=87 inserted by Georg Fischer, Jul 17 2020

A118298 Start with 23 and repeatedly reverse the digits and add 1 to get the next term.

Original entry on oeis.org

23, 33, 34, 44, 45, 55, 56, 66, 67, 77, 78, 88, 89, 99, 100, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8
Offset: 1

Views

Author

Luc Stevens (lms022(AT)yahoo.com), May 14 2006

Keywords

Comments

After 15 steps enters a cycle of length 9.

Crossrefs

Cf. A118551.

Formula

a(n)=A118297(n+1). [From R. J. Mathar, Aug 08 2008]

A118299 Start with 24 and repeatedly reverse the digits and add 1 to get the next term.

Original entry on oeis.org

24, 43, 35, 54, 46, 65, 57, 76, 68, 87, 79, 98, 90, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9
Offset: 1

Views

Author

Luc Stevens (lms022(AT)yahoo.com), May 14 2006

Keywords

Comments

After 13 steps enters a cycle of length 9.

Crossrefs

Cf. A118551.

Programs

  • Mathematica
    NestList[FromDigits[Reverse[IntegerDigits[#]]]+1&,24,100] (* Harvey P. Dale, Apr 07 2014 *)
Showing 1-10 of 12 results. Next