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.

Previous Showing 11-14 of 14 results.

A043314 a(n)=A033008(n)/11.

Original entry on oeis.org

1, 2, 3, 4, 5, 6, 7, 8, 9, 100, 102, 103, 104, 105, 106, 107, 108, 109, 200, 201, 203, 204, 205, 206, 207, 208, 209, 300, 301, 302, 304, 305, 306, 307, 308, 309, 400, 401, 402, 403, 405, 406, 407, 408, 409, 500, 501, 502, 503, 504
Offset: 1

Views

Author

Clark Kimberling

Keywords

Comments

Also, numbers which, written in base 100, have all digits < 10 and no adjacent digits equal. - M. F. Hasler, Feb 03 2014

Crossrefs

Cf. A043307 - A043320, A043291, A033001 - A033014, A033016 - A033029.

Programs

  • PARI
    is_A043314(n)=(n=[n])&&!until(!n[1],((n=divrem(n[1],100))[2]<10 && n[1]%10!=n[2])||return) \\ M. F. Hasler, Feb 03 2014

A043315 a(n)=s(n)/12, where s=A033009.

Original entry on oeis.org

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 121, 123, 124, 125, 126, 127, 128, 129, 130, 131, 242, 243, 245, 246, 247, 248, 249, 250, 251, 252, 363, 364, 365, 367, 368, 369, 370, 371, 372, 373, 484, 485, 486, 487, 489, 490, 491, 492, 493, 494
Offset: 1

Views

Author

Clark Kimberling

Keywords

Crossrefs

Cf. A043307 - A043320, A043291, A033001 - A033014, A033016 - A033029.

Programs

  • PARI
    is_A043315(n)=(n=[n])&&!until(!n[1],((n=divrem(n[1],121))[2]<11 && n[1]%11!=n[2])||return) \\ M. F. Hasler, Feb 03 2014

A043316 a(n)=s(n)/13, where s=A033010.

Original entry on oeis.org

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 144, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 288, 289, 291, 292, 293, 294, 295, 296, 297, 298, 299, 432, 433, 434, 436, 437, 438, 439, 440, 441, 442, 443, 576, 577, 578, 579, 581, 582
Offset: 1

Views

Author

Clark Kimberling

Keywords

Crossrefs

Cf. A043307 - A043320, A043291, A033001 - A033014, A033016 - A033029.

Programs

  • PARI
    is_A043316(n)=(n=[n])&&!until(!n[1],((n=divrem(n[1],144))[2]<12 && n[1]%12!=n[2])||return) \\ M. F. Hasler, Feb 03 2014

A043318 a(n)=A033012(n)/15.

Original entry on oeis.org

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 196, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 392, 393, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 588, 589, 590, 592, 593, 594, 595, 596, 597, 598, 599, 600
Offset: 1

Views

Author

Clark Kimberling

Keywords

Comments

Also: Numbers which, written in base 196, have all digits less than 14 and no two adjacent digits equal. - M. F. Hasler, Feb 03 2014

Crossrefs

Cf. A043307 - A043320, A043291, A033001 - A033014, A033016 - A033029.

Programs

  • PARI
    is_A043318(n)=(n=n[1])&&!until(!n[1], ((n=divrem(n[1], 196))[2]<14 && n[1]%14!=n[2])||return) \\ M. F. Hasler, Feb 03 2014
Previous Showing 11-14 of 14 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.