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 1-10 of 70 results. Next

A205559 Positions of multiples of 3 in A204890 (differences of primes).

Original entry on oeis.org

2, 7, 9, 14, 16, 18, 20, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 49, 51, 53, 59, 61, 63, 66, 67, 69, 71, 73, 75, 76, 82, 84, 86, 89, 90, 92, 94, 96, 98, 100, 101, 104, 106, 108, 110, 112, 114, 115, 118, 120, 121, 123, 125, 127, 129, 130, 133, 135, 136
Offset: 1

Views

Author

Clark Kimberling, Jan 30 2012

Keywords

Comments

For a guide to related sequences, see A205558.

Examples

			In A204890=(1,3,2,5,4,2,9,8,6,...), multiples of 3 are in positions 2,7,9,... ; see the example at A205560.

Crossrefs

Cf. A205558, A205560.

Programs

  • Mathematica
    (See the program at A205560.)

A204896 p(n)-q(n), where (p(n), q(n)) is the least pair of primes (ordered as in A204890) for which n divides p(n)-q(n).

Original entry on oeis.org

1, 2, 3, 4, 5, 6, 14, 8, 9, 10, 11, 12, 26, 14, 15, 16, 17, 18, 38, 20, 21, 22, 46, 24, 50, 26, 27, 28, 29, 30, 62, 32, 66, 34, 35, 36, 74, 38, 39, 40, 41, 42, 86, 44, 45, 46, 94, 48, 98, 50, 51, 52, 106, 54, 110, 56, 57, 58, 59, 60, 122, 62, 126, 64, 65, 66, 134
Offset: 1

Views

Author

Clark Kimberling, Jan 20 2012

Keywords

Comments

For a guide to related sequences, see A204892.

Crossrefs

Cf. A204892, A204897, A000040.

Programs

  • Mathematica
    (See the program at A204892.)

A205718 Positions of multiples of 10 in A204890 (differences of primes).

Original entry on oeis.org

12, 19, 30, 34, 44, 50, 59, 62, 71, 77, 80, 84, 87, 95, 98, 103, 107, 111, 114, 119, 128, 130, 141, 147, 149, 157, 160, 165, 168, 176, 182, 184, 189, 192, 196, 199, 204, 206, 218, 220, 227, 233, 237, 240, 245, 247, 252, 261, 263, 270, 275, 280, 283
Offset: 1

Views

Author

Clark Kimberling, Jan 31 2012

Keywords

Comments

For a guide to related sequences, see A205558.

Examples

			In A204890=(1,3,2,5,4,2,9,8,6,4,11,10,8,...), multiples of 10 are in positions 12,19,30,...   See the example at A205720.

Links

Crossrefs

Cf. A204890, A205720, A205558.

Programs

A204891 Least k such that n divides A204890(k), the k-th difference of two primes.

Original entry on oeis.org

1, 3, 2, 5, 4, 9, 17, 8, 7, 12, 11, 18, 38, 17, 16, 23, 22, 31, 68, 30, 29, 40, 109, 39, 107, 38, 37, 47, 46, 59, 156, 58, 174, 57, 56, 69, 213, 68, 67, 80, 79, 94, 255, 93, 92, 109, 278, 108, 302, 107
Offset: 1

Views

Author

Clark Kimberling, Jan 20 2012

Keywords

Comments

For a guide to related sequences, see A204892.

Crossrefs

Cf. A204892.

Programs

  • Mathematica
    (See the program at A204892.)

A205676 Positions of multiples of 4 in A204890 (differences of primes).

Original entry on oeis.org

5, 8, 10, 13, 18, 21, 23, 25, 26, 30, 32, 33, 36, 39, 42, 43, 47, 49, 50, 53, 54, 58, 61, 62, 65, 69, 72, 73, 76, 78, 80, 82, 83, 86, 87, 89, 93, 95, 96, 99, 100, 102, 105, 108, 111, 112, 115, 117, 118, 122, 124, 125, 128, 129, 131, 134, 135, 139, 142, 143
Offset: 1

Views

Author

Clark Kimberling, Jan 30 2012

Keywords

Comments

For a guide to related sequences, see A205558.

Examples

			In A204890=(1,3,2,5,4,2,9,8,6,4,11,10,8,...), multiples of 4 are in positions 5,8,10,13,...
See the example at A205677.

Crossrefs

Cf. A205677, A205558.

Programs

  • Mathematica
    (See the program at A205677.)

A205683 Positions of multiples of 5 in A204890 (differences of primes).

Original entry on oeis.org

4, 12, 16, 19, 30, 34, 44, 50, 56, 59, 62, 71, 77, 80, 84, 87, 92, 95, 98, 103, 107, 111, 114, 119, 128, 130, 141, 147, 149, 154, 157, 160, 165, 168, 176, 182, 184, 189, 192, 196, 199, 204, 206, 218, 220, 227, 233, 237, 240, 245, 247, 252, 261, 263
Offset: 1

Views

Author

Clark Kimberling, Jan 30 2012

Keywords

Comments

For a guide to related sequences, see A205558.

Examples

			In A204890=(1,3,2,5,4,2,9,8,6,4,11,10,8,...), multiples of 5 are in positions 4,12,...  See the example at A205684.

Crossrefs

Cf. A205684, A205558.

Programs

  • Mathematica
    (See the program at A205684.)

A205690 Positions of multiples of 6 in A204890 (differences of primes).

Original entry on oeis.org

9, 14, 18, 20, 25, 27, 31, 33, 35, 39, 41, 43, 45, 49, 51, 53, 59, 61, 63, 66, 69, 71, 73, 75, 76, 82, 84, 86, 89, 90, 94, 96, 98, 100, 101, 104, 108, 110, 112, 114, 115, 118, 120, 123, 125, 127, 129, 130, 133, 135, 136, 140, 142, 144, 147, 148, 150, 157
Offset: 1

Views

Author

Clark Kimberling, Jan 31 2012

Keywords

Comments

For a guide to related sequences, see A205558.

Examples

			In A204890=(1,3,2,5,4,2,9,8,6,4,11,10,8,...), multiples of 6 are in positions 9,14,18,...  See the example at A205691.

Crossrefs

Cf. A205691, A205558.

Programs

  • Mathematica
    (See the program at A205691.)

A205697 Positions of multiples of 7 in A204890 (differences of primes).

Original entry on oeis.org

17, 24, 29, 47, 52, 56, 64, 72, 88, 94, 99, 110, 122, 127, 131, 139, 144, 151, 158, 169, 181, 185, 192, 197, 201, 207, 211, 219, 222, 237, 244, 256, 261, 268, 271, 282, 289, 299, 302, 307, 311, 317, 321, 328, 333, 340, 343, 349, 352, 360, 363, 373
Offset: 1

Views

Author

Clark Kimberling, Jan 31 2012

Keywords

Comments

For a guide to related sequences, see A205558.

Examples

			In A204890=(1,3,2,5,4,2,9,8,6,4,11,10,8,...), multiples of 7 are in positions 17,24,29,...  See the example at A205698.

Crossrefs

Cf. A024890, A205698, A205558.

Programs

  • Mathematica
    (See the program at A205698.)

A205704 Positions of multiples of 8 in A204890 (differences of primes).

Original entry on oeis.org

8, 13, 23, 26, 32, 39, 42, 49, 54, 58, 61, 65, 73, 80, 83, 86, 95, 100, 102, 108, 111, 115, 117, 122, 125, 128, 134, 139, 142, 146, 148, 152, 155, 158, 161, 167, 170, 175, 180, 182, 186, 197, 203, 214, 219, 221, 225, 230, 233, 236, 239, 245, 248, 250
Offset: 1

Views

Author

Clark Kimberling, Jan 31 2012

Keywords

Comments

For a guide to related sequences, see A205558.

Examples

			In A204890=(1,3,2,5,4,2,9,8,6,4,11,10,8,...), multiples of 8 are in positions 8,13,23,...   See the example at A205705.

Crossrefs

Cf. A204890, A205705, A205558.

Programs

  • Mathematica
    (See the program at A205705.)

A205711 Positions of multiples of 9 in A204890 (differences of primes).

Original entry on oeis.org

7, 31, 37, 41, 51, 63, 69, 75, 82, 92, 96, 101, 112, 123, 129, 133, 140, 150, 159, 164, 178, 187, 198, 202, 214, 224, 228, 232, 236, 241, 246, 260, 269, 273, 280, 290, 294, 298, 301, 305, 310, 315, 323, 331, 336, 344, 358, 367, 371, 375, 386, 390
Offset: 1

Views

Author

Clark Kimberling, Jan 31 2012

Keywords

Comments

For a guide to related sequences, see A205558.

Examples

			In A204890=(1,3,2,5,4,2,9,8,6,4,11,10,8,...), multiples of 9 are in positions 7,31,37,...  See the example at A205712.

Crossrefs

Cf. A204890, A205712, A205558.

Programs

Showing 1-10 of 70 results. Next

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