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.

A031914 a(n) = prime(10*n - 6).

Original entry on oeis.org

7, 43, 89, 139, 193, 251, 311, 373, 433, 491, 569, 619, 683, 757, 827, 887, 971, 1033, 1097, 1181, 1249, 1307, 1423, 1481, 1549, 1609, 1693, 1759, 1861, 1931, 2003, 2083, 2143, 2243, 2311, 2383, 2459, 2551, 2657, 2707, 2777, 2851, 2939
Offset: 1

Views

Author

Jeff Burch

Keywords

Links

Crossrefs

Cf. A000040, A017317, A031911, A031912, A031913.

Programs

  • Magma
    [ NthPrime(10*n-6): n in [1..1000] ]; // Vincenzo Librandi, Apr 08 2011
  • Mathematica
    Prime[10Range[50]-6] (* Harvey P. Dale, May 08 2011 *)
  • SageMath
    [nth_prime(10*n-6) for n in range(1,61)] # G. C. Greubel, Feb 18 2024

Formula

a(n) = A000040(A017317(n-1)). - G. C. Greubel, Feb 18 2024

A031911 a(n) = prime(7*n - 6).

Original entry on oeis.org

2, 19, 47, 79, 109, 151, 191, 229, 269, 311, 353, 397, 439, 479, 523, 577, 617, 659, 709, 757, 811, 857, 907, 953, 1009, 1049, 1093, 1151, 1201, 1249, 1297, 1361, 1427, 1459, 1499, 1559, 1607, 1657, 1709, 1759, 1823, 1877, 1933, 1997, 2039
Offset: 1

Views

Author

Jeff Burch

Keywords

Links

Crossrefs

Cf. A000040, A031907, A031912, A031913, A031914.

Programs

  • Magma
    [ NthPrime(7*n-6): n in [1..1000] ]; // Vincenzo Librandi, Apr 10 2011
  • Mathematica
    Prime[7*Range[50]-6] (* Harvey P. Dale, Feb 27 2015 *)
  • SageMath
    [nth_prime(7*n-6) for n in range(1,61)] # G. C. Greubel, Feb 18 2024

A031912 a(n) = prime(8*n - 6).

Original entry on oeis.org

3, 29, 61, 101, 139, 181, 229, 271, 317, 373, 421, 463, 521, 577, 619, 673, 733, 787, 839, 887, 953, 1013, 1061, 1109, 1181, 1231, 1291, 1361, 1429, 1481, 1531, 1583, 1627, 1699, 1759, 1831, 1889, 1973, 2017, 2083, 2137, 2213, 2273, 2339
Offset: 1

Views

Author

Jeff Burch

Keywords

Links

Crossrefs

Cf. A000040, A031911, A031913, A031914.

Programs

  • Magma
    [ NthPrime(8*n-6): n in [1..1000] ]; // Vincenzo Librandi, Apr 09 2011
  • Mathematica
    Prime[8*Range[50]-6] (* Harvey P. Dale, Oct 16 2020 *)
  • SageMath
    [nth_prime(8*n-6) for n in range(1,61)] # G. C. Greubel, Feb 18 2024
Showing 1-3 of 3 results.

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

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