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 1-3 of 3 results.

A032547 Quotient of 'base-6' division described in A032546.

Original entry on oeis.org

1, 1, 1, 1, 1, 4, 7, 11, 11, 21, 21, 29, 35, 34, 33, 35, 33, 53, 51, 54, 54, 55, 55, 85, 83, 79, 81, 96, 93, 90, 90, 141, 141, 135, 129, 160, 155, 150, 150, 161, 261, 253, 235, 235, 225, 215, 254, 250, 250, 242, 397, 393, 375, 725, 655, 625, 1079
Offset: 1

Views

Author

Patrick De Geest, Apr 15 1998

Keywords

Crossrefs

Cf. A032545, A032546. See also A032532 for explanation.

Extensions

More terms from Larry Reeves (larryr(AT)acm.org), Oct 02 2000 and Jun 01 2001, who remarks that the next term corresponds to an entry in A032546 that exceeds 2.4*10^11.
Offset changed to 1 by Jinyuan Wang, Sep 04 2021

A062942 Numbers k that, when expressed in base 6 and then interpreted in base 10, give a multiple of k.

Original entry on oeis.org

0, 1, 2, 3, 4, 5, 308, 4920, 11284, 11914, 144393, 195453, 518659, 866358, 925148, 1010765, 1172718, 1369865, 2141968, 2557924, 4287428, 4296908, 6064590, 8219190, 15347544, 16891738, 18409156, 18532263, 21880744, 23693054, 25724568, 25781448, 88115915, 93066844
Offset: 1

Views

Author

Erich Friedman, Jul 21 2001

Keywords

Comments

Zero followed by A032546. [From R. J. Mathar, Oct 02 2008]

Examples

			308 in base 6 is 1232, which interpreted in base 10 is 1232 = 4*308.
		

Crossrefs

Extensions

More terms from Naohiro Nomoto, Aug 06 2001
Offset changed to 1 and a(29)-a(34) from Georg Fischer, Mar 13 2023

A032545 Integer part of decimal 'base-6 looking' numbers divided by their actual base-6 values, rounded down.

Original entry on oeis.org

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2
Offset: 1

Views

Author

Patrick De Geest, Apr 15 1998

Keywords

Crossrefs

See also A032532 for explanation.

Programs

  • Mathematica
    Array[IntegerPart[FromDigits[#2]/#1] & @@ {#, IntegerDigits[#, 6]} &, 105] (* Michael De Vlieger, Oct 06 2019 *)
  • PARI
    for(n=1,1e3,v=eval(Vec(Str(n)));if(vecmax(v)<6, print1(n\sum(i=1,#v,v[i]*6^(#v-i))", "))) \\ Charles R Greathouse IV, Apr 08 2012

Formula

a(n) = floor(A007092(n)/n). - Sean A. Irvine, Jun 22 2020
Showing 1-3 of 3 results.