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 1-5 of 5 results.

A351208 Decimal expansion of the 11th root of 3.

Original entry on oeis.org

1, 1, 0, 5, 0, 3, 1, 5, 0, 3, 3, 9, 6, 4, 6, 6, 6, 9, 6, 5, 1, 2, 6, 2, 6, 2, 9, 9, 1, 6, 9, 1, 7, 4, 2, 3, 0, 3, 9, 5, 2, 2, 7, 7, 1, 8, 6, 8, 0, 7, 7, 9, 6, 9, 1, 0, 4, 0, 7, 7, 4, 1, 8, 7, 0, 2, 4, 5, 1, 3, 7, 0, 0, 9, 7, 9, 4, 9, 1, 8, 1, 4, 0, 3, 2, 2, 7, 8, 9, 2, 9, 9, 0, 3, 6, 3, 4, 1, 3, 5, 1, 7, 2, 1, 5, 7, 3, 7, 0, 9, 1, 9, 8, 4, 6, 9, 0, 2, 2, 8, 7, 1, 3, 3, 7, 3, 2, 8, 9, 6
Offset: 1

Views

Author

Mark Andreas, Feb 04 2022

Keywords

Examples

			1.1050315033964...
		

Crossrefs

Cf. A246710 (8th root), A011446 (9th root), A246711 (10th root).

Programs

  • Maple
    Digits:=100: evalf(3^(1/11));
  • Mathematica
    RealDigits[3^(1/11), 10, 108][[1]]
  • PARI
    sqrtn(3, 11)
    
  • Python
    from sympy import integer_nthroot
    def A351208(n): return integer_nthroot(3*10**(11*(n-1)),11)[0] % 10 # Chai Wah Wu, Mar 07 2022

Formula

Equals 3^(1/11).

A351209 Decimal expansion of the 12th root of 3.

Original entry on oeis.org

1, 0, 9, 5, 8, 7, 2, 6, 9, 1, 1, 3, 5, 2, 4, 4, 3, 8, 0, 1, 6, 0, 0, 1, 9, 1, 2, 8, 0, 7, 2, 5, 4, 8, 6, 5, 2, 7, 9, 9, 7, 5, 1, 3, 6, 3, 5, 1, 9, 1, 9, 9, 2, 4, 8, 8, 7, 9, 4, 0, 6, 8, 7, 7, 5, 5, 9, 2, 4, 6, 5, 3, 6, 0, 0, 4, 8, 7, 6, 5, 1, 2, 5, 5, 6, 5, 0, 0, 6, 1, 9, 2, 1, 1, 0, 4, 2, 5, 7, 5, 7, 6, 0, 9, 9
Offset: 1

Views

Author

Mark Andreas, Feb 07 2022

Keywords

Examples

			1.0958726911352443801600191280725486527997513...
		

Crossrefs

Cf. A246710 (8th root), A011446 (9th root), A246711, (10th root), A351208 (11th root).

Programs

  • Maple
    Digits:=100: evalf(3^(1/12));
  • Mathematica
    RealDigits[3^(1/12), 10, 108][[1]]
  • PARI
    sqrtn(3,12)
    
  • Python
    from sympy import integer_nthroot
    def A351209(n): return integer_nthroot(3*10**(12*(n-1)),12)[0] % 10 # Chai Wah Wu, Mar 07 2022

Formula

Equals 3^(1/12).

A351211 Decimal expansion of the 14th root of 3.

Original entry on oeis.org

1, 0, 8, 1, 6, 3, 3, 4, 0, 0, 3, 5, 2, 7, 6, 5, 9, 5, 8, 5, 6, 7, 1, 6, 8, 8, 3, 1, 8, 7, 4, 9, 7, 7, 7, 8, 3, 9, 3, 7, 4, 6, 3, 8, 2, 2, 8, 6, 8, 1, 1, 5, 2, 5, 9, 0, 1, 5, 7, 8, 2, 5, 2, 0, 2, 8, 8, 8, 4, 1, 6, 2, 5, 3, 6, 3, 2, 1, 7, 5, 1, 8, 5, 1, 9, 8, 9, 0, 6, 1, 5, 7, 2, 9, 6, 6, 3, 0, 7, 3, 9, 7, 8, 8, 4, 3, 8, 9, 7, 8
Offset: 1

Views

Author

Mark Andreas, Feb 07 2022

Keywords

Examples

			1.0816334003527659585671688318749777839374638...
		

Crossrefs

Cf. A246711 (10th root), A351208 (11th root), A351209 (12th root), A351209 (13th root).

Programs

  • Maple
    Digits:=100: evalf(3^(1/14));
  • Mathematica
    RealDigits[3^(1/14), 10, 108][[1]]
  • PARI
    sqrtn(3,14)
    
  • Python
    from sympy import integer_nthroot
    def A351211(n): return integer_nthroot(3*10**(14*(n-1)),14)[0] % 10 # Chai Wah Wu, Mar 07 2022

Formula

Equals 3^(1/14).

A351210 Decimal expansion of the 13th root of 3.

Original entry on oeis.org

1, 0, 8, 8, 1, 8, 2, 2, 4, 3, 4, 6, 3, 3, 1, 6, 7, 3, 7, 4, 8, 0, 9, 4, 6, 1, 5, 2, 6, 0, 6, 2, 5, 7, 9, 6, 2, 6, 6, 6, 0, 2, 6, 8, 4, 5, 1, 6, 8, 2, 4, 8, 4, 2, 8, 3, 6, 0, 3, 2, 9, 7, 5, 4, 4, 6, 2, 6, 0, 5, 1, 4, 2, 6, 0, 3, 0, 7, 8, 9, 6, 6, 5, 7, 6, 2, 8, 3, 8, 1, 6, 5, 2, 5, 4, 3, 0, 9, 5, 7, 9, 6, 5, 8, 6, 7, 1, 7, 4
Offset: 1

Views

Author

Mark Andreas, Feb 07 2022

Keywords

Examples

			1.0881822434633167374809461526062579626660268...
		

Crossrefs

Cf. A011446 (9th root), A246711 (10th root), A351208 (11th root), A351209 (12th root).

Programs

  • Maple
    Digits:=100: evalf(3^(1/13));
  • Mathematica
    RealDigits[3^(1/13), 10, 108][[1]]
  • PARI
    sqrtn(3,13)
    
  • Python
    from sympy import integer_nthroot
    def A351210(n): return integer_nthroot(3*10**(13*(n-1)),13)[0] % 10 # Chai Wah Wu, Mar 07 2022

Formula

Equals 3^(1/13).

A351217 Decimal expansion of the 20th root of 3.

Original entry on oeis.org

1, 0, 5, 6, 4, 6, 7, 3, 0, 8, 5, 4, 9, 5, 3, 7, 8, 6, 1, 3, 9, 3, 3, 5, 1, 4, 5, 2, 9, 8, 8, 0, 3, 4, 2, 6, 2, 8, 5, 0, 5, 7, 3, 1, 0, 3, 1, 0, 0, 5, 3, 3, 7, 3, 1, 0, 8, 9, 9, 7, 5, 7, 5, 0, 8, 0, 8, 5, 8, 2, 4, 1, 3, 3, 9, 9, 9, 3, 9, 3, 9, 6, 0, 0, 7, 4, 8, 3, 0, 3, 7, 0, 1, 4, 4, 2, 2, 4, 4, 1, 5, 8, 2, 4, 3
Offset: 1

Views

Author

Mark Andreas, Apr 22 2022

Keywords

Examples

			1.0564673085495378613933514529880342628505731...
		

Crossrefs

Cf. A351212 (15th root), A351213 (16th root), A351214 (17th root), A351215 (18th root), A351216 (19th root).

Programs

  • Maple
    Digits:=100: evalf(3^(1/20));
  • Mathematica
    RealDigits[3^(1/20), 10, 108][[1]]
    RealDigits[Surd[3,20],10,120][[1]] (* Harvey P. Dale, May 28 2025 *)
  • PARI
    sqrtn(3,20)

Formula

Equals 3^(1/20) = A246711^(1/2).
Showing 1-5 of 5 results.