A013719 a(n) = 14^(2*n + 1).

14, 2744, 537824, 105413504, 20661046784, 4049565169664, 793714773254144, 155568095557812224, 30491346729331195904, 5976303958948914397184, 1171355575953987221848064, 229585692886981495482220544

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..200
• Tanya Khovanova, Recursive Sequences
• Index entries for linear recurrences with constant coefficients, signature (196).

Crossrefs

Bisection of A001023 (14^n).

Cf. A013708-A013718, A013720-A013729.

Programs

Magma

[14^(2*n+1): n in [0..15]]; // Vincenzo Librandi, Jun 26 2011

Maple

seq(14^(2*n+1),n=0..11); # Nathaniel Johnston, Jun 25 2011

PARI

a(n)=14^(2*n+1) \\ Charles R Greathouse IV, Jul 11 2016

Formula

From Philippe Deléham, Nov 25 2008: (Start)

a(n) = 196*a(n-1), a(0)=14.

G.f.: 14/(1-196*x). (End)