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 1-4 of 4 results.

A231325 Larger of corresponding digits of Pi and e.

Original entry on oeis.org

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

Views

Author

Umut Uludag, Nov 07 2013

Keywords

Examples

			1st digit of Pi and e are 3 and 2, so a(1) = max(3,2) = 3.
2nd digit of Pi and e are 1 and 7, so a(2) = max(1,7) = 7.
3rd digit of Pi and e are 4 and 1, so a(3) = max(4,1) = 4.
3.74859285858979523846268748337966289779726939969995987...
		

Crossrefs

Programs

  • Mathematica
    Module[{nn=100,pd,ed},pd=RealDigits[Pi,10,nn][[1]];ed=RealDigits[E,10,nn][[1]];Max/@Thread[{pd,ed}]] (* Harvey P. Dale, Feb 10 2022 *)

A292101 Decimal expansion of the "e*Pi" constant c_0*d_0 + c_1*d_1/10 + c_2*d_2/100 + c_3*d_3/1000 + ... where c_0 + c_1/10 + c_2/100 + c_3/1000 + ... and d_0 + d_1/10 + d_2/100 + d_3/1000 + ... (with c_k, d_k in the range 0 to 9) are the decimal expansions of e and Pi.

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane, Sep 12 2017

Keywords

Examples

			Equals 6.7497269264813755315615427639710079491995038394759491485523711961281...,
which is 6 + 7/10 + 4/10^2 + 8/10^3 + 10/10^4 + 72/10^5 + 2/10^6 + 48/10^7 + 10/10^8 + 24/10^9 + ...
		

Crossrefs

This is the component-wise product (in a certain sense) of A001113 and A000796 (cf. A073177). See A292107 for another version.

A291854 Decimal expansion of the "Pi AND e" (Piande) constant.

Original entry on oeis.org

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

Views

Author

Alois P. Heinz, Sep 13 2017

Keywords

Comments

Pi_2 = 11.00100100001111110... -> 3.1415926535897...
e_2 = 10.10110111111000010... -> 2.7182818284590...
Pi_2 AND e_2 = 10.00100100001000010... -> 2.1411323548533...

Examples

			2.1411323548533155483334288212398570571182864149673143672536880794...
		

Crossrefs

Formula

A291858 Decimal expansion of the "Pi OR e" (Piore) constant.

Original entry on oeis.org

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

Views

Author

Alois P. Heinz, Sep 13 2017

Keywords

Comments

Pi_2 = 11.00100100001111110... -> 3.1415926535897...
e_2 = 10.10110111111000010... -> 2.7182818284590...
Pi_2 OR e_2 = 11.10110111111111110... -> 3.7187421271955...

Examples

			3.71874212719552292548950203339230832483613007810775102868822414063...
		

Crossrefs

Formula

Showing 1-4 of 4 results.