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.

A271027 a(n) = 3661529 + 11184810*n.

Original entry on oeis.org

3661529, 14846339, 26031149, 37215959, 48400769, 59585579, 70770389, 81955199, 93140009, 104324819, 115509629, 126694439, 137879249, 149064059, 160248869, 171433679, 182618489, 193803299, 204988109, 216172919, 227357729, 238542539, 249727349, 260912159, 272096969, 283281779, 294466589
Offset: 0

Views

Author

Altug Alkan, Mar 29 2016

Keywords

Comments

a(n) and a(n) + 14 are the members of A101036.
14 appears as a minimum difference between Riesel numbers for the first 15000 terms that are listed in b-file of A101036.

Examples

			a(1) = 3661529 + 11184810*1 = 14846339.
		

Crossrefs

Programs

  • Magma
    [3661529 + 11184810*n : n in [0..40]]; // Wesley Ivan Hurt, Apr 02 2016
  • Maple
    A271027:=n->3661529 + 11184810*n: seq(A271027(n), n=0..40); # Wesley Ivan Hurt, Apr 02 2016
  • Mathematica
    CoefficientList[Series[(3661529 + 7523281 x)/(1 - x)^2, {x, 0, 26}], x] (* Michael De Vlieger, Mar 29 2016 *)
    LinearRecurrence[{2,-1},{3661529,14846339},30] (* Harvey P. Dale, Sep 10 2019 *)
  • PARI
    a(n) = 3661529 + 11184810*n;
    
  • PARI
    x='x+O('x^99); Vec((3661529+7523281*x)/(1-x)^2)
    
  • Python
    for n in range(0,100):print(3661529+11184810*n) # Soumil Mandal, Apr 03 2016
    

Formula

G.f.: (3661529 + 7523281*x)/(1 - x)^2.
a(n) = 2*a(n-1) - a(n-2) for n>1.