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 11-15 of 15 results.

A102159 Iccanobirt primes (9 of 15): Prime numbers in A102119.

Original entry on oeis.org

2, 7, 31, 401, 90481, 6691411
Offset: 1

Views

Author

Jonathan Vos Post and Ray Chandler, Dec 31 2004

Keywords

Comments

Next term is too large to include.

Crossrefs

Cf. A000040, A102119, A102151-A102165.

Formula

a(n) = A102119(A102139(n)).

Extensions

Offset changed to 1 by Jinyuan Wang, Aug 14 2021

A102160 Iccanobirt primes (10 of 15): Prime numbers in A102120.

Original entry on oeis.org

2, 7, 31, 977, 8311, 6303211, 376085401, 243108206127601, 797617957269902814324298809066990611, 13986539709338184569448604343396198783632139863691161608206506541
Offset: 1

Views

Author

Jonathan Vos Post and Ray Chandler, Dec 31 2004

Keywords

Comments

Next term is too large to include.
The next term has 407 digits. - Harvey P. Dale, Oct 30 2017

Crossrefs

Cf. A000040, A102120, A102140, A102151-A102165.

Programs

  • Mathematica
    nxt[{a_,b_,c_}]:={b,c,IntegerReverse[c+IntegerReverse[b]+a]}; Select[ NestList[nxt,{0,0,1},200][[All,1]],PrimeQ] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Oct 30 2017 *)

Formula

a(n) = A102120(A102140(n)).

Extensions

Offset changed to 1 by Jinyuan Wang, Aug 14 2021

A102161 Iccanobirt primes (11 of 15): Prime numbers in A102121.

Original entry on oeis.org

2, 7, 31, 6367, 925189, 107197144969, 93402566446301441282188479643762853393, 3661745072013869917446592871282724637510478109647679973
Offset: 1

Views

Author

Jonathan Vos Post and Ray Chandler, Dec 31 2004

Keywords

Comments

Next term is too large to include.

Crossrefs

Cf. A000040, A102121, A102141, A102151-A102165.

Formula

a(n) = A102121(A102141(n)).

Extensions

Offset changed to 1 by Jinyuan Wang, Aug 14 2021

A102162 Iccanobirt primes (12 of 15): Prime numbers in A102122.

Original entry on oeis.org

2, 7, 31, 67, 908821, 6171227123, 833416212437, 925518314049349041313, 366319426867272069390603006331, 41322662051354105860272734271998443
Offset: 1

Views

Author

Jonathan Vos Post and Ray Chandler, Dec 31 2004

Keywords

Comments

Next term is too large to include.
The next term has 99 digits. - Harvey P. Dale, Sep 10 2024

Crossrefs

Cf. A000040, A102122, A102142, A102151-A102165.

Programs

  • Mathematica
    nxt[{a_,b_,c_}]:={b,c,IntegerReverse[IntegerReverse[c]+b+a]}; Select[NestList[nxt,{0,0,1},150][[;;,1]],PrimeQ] (* Harvey P. Dale, Sep 10 2024 *)

Formula

a(n) = A102122(A102142(n)).

Extensions

Offset changed to 1 by Jinyuan Wang, Aug 14 2021

A102163 Iccanobirt primes (13 of 15): Prime numbers in A102123.

Original entry on oeis.org

2, 7, 31, 761, 380372309031901, 398539497395051, 6619750198532765321, 895548435204819863285711, 324218089757469614354964262603, 6299327678849021718683330197124506131574064354457936929
Offset: 1

Views

Author

Jonathan Vos Post and Ray Chandler, Dec 31 2004

Keywords

Comments

Next term is too large to include.

Crossrefs

Cf. A000040, A102123, A102143, A102151-A102165.

Formula

a(n) = A102123(A102143(n)).

Extensions

Offset changed to 1 by Jinyuan Wang, Aug 15 2021
Previous Showing 11-15 of 15 results.

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

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