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 1-2 of 2 results.

A017771 Binomial coefficients C(55,n).

Original entry on oeis.org

1, 55, 1485, 26235, 341055, 3478761, 28989675, 202927725, 1217566350, 6358402050, 29248649430, 119653565850, 438729741450, 1451182990950, 4353548972850, 11899700525790, 29749251314475, 68248282427325, 144079707346575, 280576272201225, 505037289962205
Offset: 0

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Keywords

Comments

Row 55 of A007318.

Crossrefs

Programs

Formula

From G. C. Greubel, Nov 13 2018: (Start)
G.f.: (1+x)^55.
E.g.f.: 1F1(-55; 1; -x), where 1F1 is the confluent hypergeometric function. (End)

A017769 Binomial coefficients C(53,n).

Original entry on oeis.org

1, 53, 1378, 23426, 292825, 2869685, 22957480, 154143080, 886322710, 4431613550, 19499099620, 76223753060, 266783135710, 841392966470, 2403979904200, 6250347750920, 14844575908435, 32308782859535, 64617565719070, 119032357903550, 202355008436035
Offset: 0

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Author

Keywords

Comments

Row 53 of A007318.

Crossrefs

Programs

  • Magma
    [Binomial(53,n): n in [0..53]]; // G. C. Greubel, Nov 13 2018
  • Maple
    seq(binomial(53,n), n=0..53); # Nathaniel Johnston, Jun 24 2011
  • Mathematica
    With[{k = 53}, Array[Binomial[k, #] &, k + 1, 0]] (* Michael De Vlieger, Jul 06 2018 *)
    With[{nmax = 53}, CoefficientList[Series[Hypergeometric1F1[-53, 1, -x], {x, 0, nmax}], x]*Range[0, nmax]!] (* G. C. Greubel, Nov 13 2018 *)
  • PARI
    vector(53, n, n--; binomial(53,n)) \\ G. C. Greubel, Nov 13 2018
    
  • Sage
    [binomial(53, n) for n in range(54)] # Zerinvary Lajos, May 23 2009
    

Formula

From G. C. Greubel, Nov 13 2018: (Start)
G.f.: (1+x)^53.
E.g.f.: 1F1(-53; 1; -x), where 1F1 is the confluent hypergeometric function. (End)
Showing 1-2 of 2 results.