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.

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A197908 Ceiling((n+1/n)^9).

Original entry on oeis.org

512, 3815, 50806, 452377, 2779906, 12895978, 48400259, 154315776, 432655359, 1093685273, 2539243268, 5491371251, 11182788770, 21629362254, 40008716649, 71173490664, 122332454248, 203937787268, 330822261551, 523635874527, 810637651663, 1229904866746
Offset: 1

Views

Author

Vincenzo Librandi, Oct 19 2011

Keywords

Crossrefs

Cf. A014058.

Programs

Formula

For n > 126, a(n) = n^9 + 9n^7 + 36n^5 + 84n^3 + 126n + 2. - Charles R Greathouse IV, Dec 27 2011

A197909 Ceiling((n+1/n)^10).

Original entry on oeis.org

1024, 9537, 169351, 1922602, 14455511, 79525194, 345716131, 1253815680, 3941971041, 11046221255, 28162516240, 66354069278, 146236468528, 304356025990, 602797997503, 1143224193789, 2086847748927, 3682210047877, 6303034667439, 10498899284253, 17061992477839
Offset: 1

Views

Author

Vincenzo Librandi, Oct 19 2011

Keywords

Crossrefs

Cf. A014058.

Programs

  • Magma
    [Ceiling((n+1/n)^10): n in [1..30]]
    
  • Mathematica
    Table[Ceiling[(n+1/n)^10],{n,30}] (* Harvey P. Dale, Jun 19 2012 *)
  • PARI
    a(n)=ceil((n+1/n)^10) \\ Charles R Greathouse IV, Dec 27 2011

Formula

For n > 14, a(n) = n^10 + 10n^8 + 45n^6 + 120n^4 + 210n^2 + 253. - Charles R Greathouse IV, Dec 27 2011

A197767 Ceiling((7*n+1/n)^n).

Original entry on oeis.org

8, 211, 9710, 636904, 54039749, 5621026397, 692186010835, 98457959756723, 15883727818630152, 2865366503771469411, 571524481184700575470, 124887520213444076248620, 29669385469799155774434099, 7613687050766411443598268999
Offset: 1

Views

Author

Vincenzo Librandi, Oct 19 2011

Keywords

Crossrefs

Programs

  • Magma
    [Ceiling((7*n+1/n)^n): n in [1..20]]
  • Mathematica
    Table[Ceiling[(7n+1/n)^n],{n,20}] (* Harvey P. Dale, Jul 19 2024 *)

A197768 Ceiling((8*n+1/n)^n).

Original entry on oeis.org

9, 273, 14409, 1081731, 104985729, 12487616539, 1758172862980, 285903205720513, 52725376090628156, 10872393464815690144, 2478802987043990078457, 619122710473385614426210, 168115507427305189329095428, 49309285630177314887251611601
Offset: 1

Views

Author

Vincenzo Librandi, Oct 19 2011

Keywords

Crossrefs

Programs

  • Magma
    [Ceiling((8*n+1/n)^n): n in [1..20]]

A197769 a(n) = ceiling((9*n+1/n)^n).

Original entry on oeis.org

10, 343, 20422, 1726761, 188665363, 25257633874, 4001931082418, 732295911309957, 151957855559538859, 35257207352182955135, 9044237131202445725078, 2541585712463861383036827, 776473970630759909605090448, 256232041409079180707274204958
Offset: 1

Views

Author

Vincenzo Librandi, Oct 19 2011

Keywords

Crossrefs

Programs

  • Magma
    [Ceiling((9*n+1/n)^n): n in [1..20]];
  • Mathematica
    Table[Ceiling[(9n+1/n)^n],{n,20}] (* Harvey P. Dale, Nov 30 2024 *)

A197770 Ceiling((10*n+1/n)^n).

Original entry on oeis.org

11, 421, 27911, 2624603, 318800201, 47439020042, 8353801755007, 1698808167100876, 391746480089540116, 101004512021025221013, 28791615763253886202481, 8990685731188213404550239, 3052132045866636492112058600, 1119164206256115117485135326642, 440822282742124422495281791483359
Offset: 1

Views

Author

Vincenzo Librandi, Oct 19 2011

Keywords

Crossrefs

Programs

  • Magma
    [Ceiling((10*n+1/n)^n): n in [1..20]]
  • Maple
    A197770:=n->ceil((10*n+1/n)^n); seq(A197770(n), n=1..20); # Wesley Ivan Hurt, Jun 14 2014
  • Mathematica
    Table[Ceiling[(10n+1/n)^n],{n,20}] (* Harvey P. Dale, Dec 03 2012 *)

A197771 Ceiling((11*n+1/n)^n).

Original entry on oeis.org

12, 507, 37038, 3834009, 512501793, 83914215403, 16258109291003, 3637416562713076, 922786228220640102, 261741863272493596615, 82078032321730681299098, 28195269239973685901676783, 10529425953839699619063326836
Offset: 1

Views

Author

Vincenzo Librandi, Oct 19 2011

Keywords

Crossrefs

Programs

  • Magma
    [Ceiling((11*n+1/n)^n): n in [1..20]]
  • Mathematica
    Table[Ceiling[((11n+1/n))^n],{n,20}] (* Harvey P. Dale, Feb 02 2014 *)

A197773 Ceiling((n+1/n)^3).

Original entry on oeis.org

8, 16, 38, 77, 141, 235, 365, 537, 757, 1031, 1365, 1765, 2237, 2787, 3421, 4145, 4965, 5887, 6917, 8061, 9325, 10715, 12237, 13897, 15701, 17655, 19765, 22037, 24477, 27091, 29885, 32865, 36037, 39407, 42981, 46765, 50765, 54987, 59437, 64121, 69045, 74215
Offset: 1

Views

Author

Vincenzo Librandi, Oct 19 2011

Keywords

Crossrefs

Programs

  • Magma
    [Ceiling((n+1/n)^3): n in [1..60]]

A197903 Ceiling((n+1/n)^4).

Original entry on oeis.org

16, 40, 124, 327, 732, 1447, 2604, 4359, 6892, 10407, 15132, 21319, 29244, 39207, 51532, 66567, 84684, 106279, 131772, 161607, 196252, 236199, 281964, 334087, 393132, 459687, 534364, 617799, 710652, 813607, 927372, 1052679, 1190284, 1340967, 1505532, 1684807
Offset: 1

Views

Author

Vincenzo Librandi, Oct 19 2011

Keywords

Crossrefs

Programs

  • Magma
    [Ceiling((n+1/n)^4): n in [1..50]]
  • Mathematica
    Table[Ceiling[(n+1/n)^4],{n,40}] (* Harvey P. Dale, Apr 09 2015 *)

Formula

a(n) = n^4 +4*n^2 +7, n>=3.
G.f.: (x^6-x^5-17*x^4+53*x^3-84*x^2+40*x-16)/(x-1)^5. - Harvey P. Dale, Apr 09 2015

A197905 Ceiling((n+1/n)^6).

Original entry on oeis.org

64, 245, 1372, 5893, 19771, 54993, 132811, 287701, 572043, 1061521, 1861243, 3112581, 5000731, 7762993, 11697771, 17174293, 24643051, 34646961, 47833243, 64966021, 86939643, 114792721, 149722891, 193102293, 246493771, 311667793, 390620091, 485590021
Offset: 1

Views

Author

Vincenzo Librandi, Oct 19 2011

Keywords

Crossrefs

Cf. A014058.

Programs

  • Magma
    [Ceiling((n+1/n)^6): n in [1..50]]
  • Mathematica
    Table[Ceiling[(n+1/n)^6],{n,30}] (* Harvey P. Dale, May 17 2015 *)
Previous Showing 11-20 of 24 results. Next