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 1-6 of 6 results.

A061819 Multiples of 3 containing only digits 0,1,2,3.

Original entry on oeis.org

0, 3, 12, 21, 30, 33, 102, 111, 120, 123, 132, 201, 210, 213, 222, 231, 300, 303, 312, 321, 330, 333, 1002, 1011, 1020, 1023, 1032, 1101, 1110, 1113, 1122, 1131, 1200, 1203, 1212, 1221, 1230, 1233, 1302, 1311, 1320, 1323, 1332, 2001, 2010, 2013, 2022, 2031
Offset: 1

Views

Author

Amarnath Murthy, May 28 2001

Keywords

Examples

			132 is a term containing digits less than 4.
		

Crossrefs

Cf. A061818.

Programs

  • Mathematica
    Select[3*Range[0,750],Max[IntegerDigits[#]]<4&] (* Harvey P. Dale, Jul 10 2014 *)

Formula

a(n) = A007090(3n), i.e. can also be read as multiples of 3 (A008585) written in base 4.

Extensions

Corrected and extended by Larry Reeves (larryr(AT)acm.org) and Henry Bottomley, May 30 2001

A061820 Multiples of 4 containing only digits 0,...,4.

Original entry on oeis.org

0, 4, 12, 20, 24, 32, 40, 44, 100, 104, 112, 120, 124, 132, 140, 144, 200, 204, 212, 220, 224, 232, 240, 244, 300, 304, 312, 320, 324, 332, 340, 344, 400, 404, 412, 420, 424, 432, 440, 444, 1000, 1004, 1012, 1020, 1024, 1032, 1040, 1044, 1100, 1104, 1112
Offset: 0

Views

Author

Amarnath Murthy, May 28 2001

Keywords

Examples

			140 is a term containing digits less than 5.
		

Crossrefs

Programs

  • Mathematica
    Select[4Range[0,400],Max[IntegerDigits[#]]<5&] (* Harvey P. Dale, Dec 20 2012 *)

Extensions

More terms from Larry Reeves (larryr(AT)acm.org), May 30 2001

A061821 Multiples of 5 containing only digits 0,...,5.

Original entry on oeis.org

0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150, 155, 200, 205, 210, 215, 220, 225, 230, 235, 240, 245, 250, 255, 300, 305, 310, 315, 320, 325, 330, 335, 340, 345, 350, 355, 400, 405, 410, 415, 420, 425, 430
Offset: 1

Views

Author

Amarnath Murthy, May 28 2001

Keywords

Examples

			145 is a term containing digits less than 6.
		

Crossrefs

Programs

  • Mathematica
    Select[5Range[0,90],Max[IntegerDigits[#]]<6&] (* Harvey P. Dale, May 02 2011 *)

Extensions

Corrected and extended by Larry Reeves (larryr(AT)acm.org), May 30 2001

A061822 Multiples of 6 containing only digits 0,...,6.

Original entry on oeis.org

0, 6, 12, 24, 30, 36, 42, 54, 60, 66, 102, 114, 120, 126, 132, 144, 150, 156, 162, 204, 210, 216, 222, 234, 240, 246, 252, 264, 300, 306, 312, 324, 330, 336, 342, 354, 360, 366, 402, 414, 420, 426, 432, 444, 450, 456, 462, 504, 510, 516, 522, 534, 540, 546, 552
Offset: 0

Views

Author

Amarnath Murthy, May 28 2001

Keywords

Examples

			156 is a term containing digits less than 7.
		

Crossrefs

Extensions

More terms from Larry Reeves (larryr(AT)acm.org), May 30 2001

A061823 Multiples of 7 containing only digits 0,...,7.

Original entry on oeis.org

0, 7, 14, 21, 35, 42, 56, 63, 70, 77, 105, 112, 126, 133, 140, 147, 154, 161, 175, 203, 210, 217, 224, 231, 245, 252, 266, 273, 301, 315, 322, 336, 343, 350, 357, 364, 371, 406, 413, 420, 427, 434, 441, 455, 462, 476, 504, 511, 525, 532, 546, 553, 560, 567, 574
Offset: 1

Views

Author

Amarnath Murthy, May 28 2001

Keywords

Examples

			147 =7*21, is a term containing digits less than 8.
		

Crossrefs

Programs

Extensions

Corrected and extended by Larry Reeves (larryr(AT)acm.org), May 30 2001

A061824 Multiples of 8 containing only the digits 0, ..., 8.

Original entry on oeis.org

0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 104, 112, 120, 128, 136, 144, 152, 160, 168, 176, 184, 200, 208, 216, 224, 232, 240, 248, 256, 264, 272, 280, 288, 304, 312, 320, 328, 336, 344, 352, 360, 368, 376, 384, 400, 408, 416, 424, 432, 440, 448, 456, 464
Offset: 1

Views

Author

Amarnath Murthy, May 28 2001

Keywords

Comments

Subsequence of A008590. - Michel Marcus, Nov 28 2014

Examples

			288 = 8*36 is a term containing no digit 9.
The first multiple of 8 that is not here is 96.
		

Crossrefs

Programs

  • PARI
    lista(nn) = {for (n=0, nn, d = vecsort(digits(m=8*n)); if (!vecsearch(d, 9), print1(m, ", ")););} \\ Michel Marcus, Nov 28 2014

Extensions

More terms from Larry Reeves (larryr(AT)acm.org), May 30 2001
Offset changed to 1 by Michel Marcus, Nov 28 2014
Showing 1-6 of 6 results.