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.

A162188 Numbers k such that A001223(k) > A000005(k).

Original entry on oeis.org

4, 9, 11, 15, 16, 19, 21, 23, 25, 29, 30, 31, 34, 37, 39, 42, 46, 47, 51, 53, 55, 58, 59, 61, 62, 66, 67, 68, 71, 73, 74, 77, 79, 82, 86, 87, 91, 92, 94, 97, 99, 101, 103, 106, 107, 111, 114, 115, 118, 119, 121, 123, 124, 125, 127, 129, 131, 133, 137, 138, 139, 141, 145
Offset: 1

Views

Author

Omar E. Pol, Jul 04 2009

Keywords

Links

Crossrefs

Cf. A000005, A001223, A068526, A161911, A161912, A161913, A162189.

Programs

Extensions

More terms from Franklin T. Adams-Watters, May 26 2010

A162189 Numbers k such that A001223(k) < A000005(k).

Original entry on oeis.org

10, 12, 20, 26, 28, 33, 35, 36, 40, 44, 45, 48, 49, 50, 52, 54, 56, 57, 60, 63, 64, 69, 70, 72, 75, 78, 81, 84, 88, 90, 96, 98, 100, 102, 104, 105, 108, 110, 112, 116, 117, 120, 126, 130, 132, 136, 140, 142, 144, 147, 148, 152, 153, 156, 160, 165
Offset: 1

Views

Author

Omar E. Pol, Jul 04 2009

Keywords

Links

Crossrefs

Cf. A000005, A001223, A068526, A161911, A161912, A161913, A162188.

Programs

  • Maple
    p2:=2:for n from 1 to 200 do p1:=p2:p2:=ithprime(n+1):if(p2-p1Nathaniel Johnston, Apr 15 2011

Extensions

a(30)-a(56) from Nathaniel Johnston, Apr 15 2011

A162197 a(n) = A161912(n) - A061358(n).

Original entry on oeis.org

0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 6, 3, 3, 2, 5, 5, 7, 5, 8, 3, 6, 4, 11, 8, 11, 7, 10, 4, 8, 11, 15, 14, 13, 16, 18, 11, 19, 17, 20, 16, 19, 17, 20, 16, 14, 19, 33, 22, 25, 20, 26, 19, 30, 23, 29, 25, 26, 24, 30, 14, 27, 35, 35, 26
Offset: 0

Views

Author

Omar E. Pol, Jul 04 2009

Keywords

Crossrefs

Cf. A006218, A040976, A061358, A161911, A161912, A161913.

Formula

a(n) = A040976(n+1) - A006218(n) - A061358(n).

A162339 Numbers A161912 such that a(n)<>a(n+1).

Original entry on oeis.org

0, 1, 4, 2, 6, 4, 6, 7, 9, 5, 7, 11, 12, 10, 6, 8, 14, 16, 14, 20, 18, 15, 19, 21, 19, 21, 19, 15, 23, 33, 27, 26, 24, 26, 22, 30, 28, 30, 28, 26, 28, 30, 20, 28, 38, 36, 31, 37, 41, 45, 43, 39, 43, 39, 43, 45, 43, 47, 43, 49, 46, 52
Offset: 1

Views

Author

Omar E. Pol, Jul 04 2009

Keywords

Crossrefs

Cf. A161911, A161912, A161913, A162188, A162189.
Showing 1-4 of 4 results.

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

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