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 1-8 of 8 results.

A260478 Cyclotomic polynomial value Phi(8,n!).

Original entry on oeis.org

2, 2, 17, 1297, 331777, 207360001, 268738560001, 645241282560001, 2642908293365760001, 17340121312772751360001, 173401213127727513600000001, 2538767161403058526617600000001, 52643875858853821607942553600000001, 1503561738404723998944447273369600000001
Offset: 0

Views

Author

Robert Price, Aug 28 2015

Keywords

Crossrefs

Programs

  • Mathematica
    Table[Cyclotomic[8, n!], {n, 0, 200}]
  • PARI
    a(n)=polcyclo(8,n!) \\ Charles R Greathouse IV, Aug 29 2015

Formula

a(n) = A123865(n!) for n>0.

A260076 Cyclotomic polynomial value Phi(9,n!).

Original entry on oeis.org

3, 3, 73, 46873, 191116801, 2985985728001, 139314069877248001, 16390160963204120064001, 4296582355504685658144768001, 2283380023591730863569702223872001, 2283380023591730815832761109839872000001, 4045146997974190235742912149285516869632000001
Offset: 0

Views

Author

Robert Price, Aug 29 2015

Keywords

Crossrefs

Programs

  • Mathematica
    Table[Cyclotomic[9, n!], {n, 0, 200}]

Formula

a(n) = A060883(n!) for n>0.

A260077 Cyclotomic polynomial value Phi(10,n!).

Original entry on oeis.org

1, 1, 11, 1111, 318505, 205646281, 268365829681, 645113283892561, 2642842746670654081, 17340073528178593019521, 173401165343014841913811201, 2538767097801590027098850323201, 52643875748950481516906361827558401, 1503561738163266360299131304568093619201
Offset: 0

Views

Author

Robert Price, Aug 29 2015

Keywords

Crossrefs

Programs

  • Mathematica
    Table[Cyclotomic[10, n!], {n, 0, 200}]

Formula

a(n) = A060884(n!) for n>0.

A261128 Cyclotomic polynomial value Phi(7,n!).

Original entry on oeis.org

7, 7, 127, 55987, 199411801, 3011076302521, 139507830379527121, 16393413624509530430641, 4296688920209982460579470721, 2283386315992292963858620174289281, 2283380652830226414943490202201665068801, 4045147099313653802803680147635052518194156801
Offset: 0

Views

Author

Robert Price, Aug 20 2015

Keywords

Crossrefs

Programs

  • Mathematica
    Table[Cyclotomic[7, n!], {n, 0, 200}]
  • PARI
    a(n) = polcyclo(7, n!) \\ Michel Marcus, Aug 22 2015

Formula

a(n) = A053716(n!) for n>0.

A261471 Cyclotomic polynomial value Phi(6,n!).

Original entry on oeis.org

1, 1, 3, 31, 553, 14281, 517681, 25396561, 1625662081, 131681531521, 13168185811201, 1593350882323201, 229442532323558401, 38775788037405619201, 7600054456464819148801, 1710012252722891749632001, 437763136697374129754112001, 126513546505546814497787904001
Offset: 0

Views

Author

Robert Price, Aug 20 2015

Keywords

Crossrefs

Programs

  • Mathematica
    Table[Cyclotomic[6, n!], {n, 0, 200}]
  • PARI
    vector(20, n, n--; polcyclo(6, n!)) \\ Michel Marcus, Aug 20 2015

Formula

a(n) = A002061(n!).

A261472 Primes of the form Phi(6,n!), where Phi is the cyclotomic polynomial.

Original entry on oeis.org

3, 31, 14281, 25396561, 273552658381614558353373506071127403199540399874192973440773009599175173339925708800000001
Offset: 1

Views

Author

Robert Price, Aug 20 2015

Keywords

Crossrefs

Programs

  • Mathematica
    Select[Table[Cyclotomic[6, n!], {n, 0, 200}], PrimeQ]

A261487 Primes of the form Phi(7,n!), where Phi is the cyclotomic polynomial.

Original entry on oeis.org

7, 127, 55987, 58301791288260114251803544692993535976160443849938371660801
Offset: 1

Views

Author

Robert Price, Aug 20 2015

Keywords

Crossrefs

Programs

  • Mathematica
    Select[Table[Cyclotomic[7, n!], {n, 0, 200}], PrimeQ]

A261535 Primes of the form Phi(8,n!), where Phi is the cyclotomic polynomial.

Original entry on oeis.org

2, 17, 1297, 331777, 1503561738404723998944447273369600000001
Offset: 1

Views

Author

Robert Price, Aug 28 2015

Keywords

Comments

a(6) is 730 digits.

Crossrefs

Programs

  • Mathematica
    Select[Table[Cyclotomic[8, n!], {n, 0, 200}], PrimeQ]
  • PARI
    for(n=1, 500, if(isprime(k=polcyclo(8, n!)), print1(k", "))) \\ Altug Alkan, Nov 16 2015
Showing 1-8 of 8 results.