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.

A104802 Primes p such that the string p0123456789 is prime, or primes in A104801.

Original entry on oeis.org

23, 53, 73, 223, 233, 283, 337, 379, 521, 571, 599, 643, 811, 821, 857, 881, 991, 1093, 1103, 1163, 1229, 1231, 1399, 1439, 1481, 1511, 1583, 1613, 1663, 1723, 1747, 1753, 1823, 1831, 1999, 2017, 2281, 2293, 2351, 2467, 2543, 2621, 2659, 2719, 2741, 2837
Offset: 1

Views

Author

Zak Seidov, Mar 29 2005

Keywords

Crossrefs

Cf. A104799, A104801.

Programs

  • Mathematica
    Select[Prime[Range[500]],PrimeQ[#*10^10+123456789]&] (* Harvey P. Dale, Dec 15 2014 *)

A104799 Primes containing sublist {0123456789}.

Original entry on oeis.org

101234567897, 301234567891, 401234567891, 401234567897, 601234567897, 701234567897, 801234567893, 1012345678901, 1012345678907, 1012345678961, 1012345678969, 1012345678979, 1012345678997, 1101234567899, 1201234567891, 1501234567891, 1501234567897, 1601234567897, 1601234567899
Offset: 1

Views

Author

Zak Seidov, Mar 26 2005

Keywords

Examples

			101234567897 is in the sequence as it contains the string 0123456789 and it is a prime. - _David A. Corneth_, May 28 2023

Links

Crossrefs

Cf. A104800, A104801, A104802.

Programs

Extensions

Missing data inserted and more terms from David A. Corneth, May 28 2023

A104800 Primes containing sublist {9876543210}.

Original entry on oeis.org

198765432101, 498765432101, 498765432107, 798765432103, 798765432109, 987654321007, 987654321029, 987654321047, 987654321061, 987654321089, 987654321097, 1098765432101, 1398765432101, 1498765432103, 1898765432107, 1987654321019, 1987654321069, 2898765432107, 2987654321017, 2987654321039
Offset: 1

Views

Author

Zak Seidov, Mar 26 2005

Keywords

Links

Crossrefs

Cf. A104799, A104801, A104802.

Programs

Extensions

Missing 987654321007 inserted by and more terms from David A. Corneth, May 28 2023

A108471 Smallest prime with a run of n strictly increasing digits.

Original entry on oeis.org

2, 13, 127, 1237, 12347, 123457, 1234789, 12356789, 1234567891, 100123456789
Offset: 1

Views

Author

Rick L. Shepherd, Jun 04 2005

Keywords

Comments

Terms here are never considered to have leading zeros. This sequence contains A071362. a(9) = A053546(9). a(10) = A104801(1) = 10 with 0123456789 appended.

Crossrefs

Cf. A071362, A108491, A053546, A104801, A104799.
Showing 1-4 of 4 results.

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

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