A013900 a(n) = 21^(5*n + 3).

9261, 37822859361, 154472377739119461, 630880792396715529789561, 2576580875108218291929075869661, 10523016528610349434285830688358359761, 42977062327514056734916195400155065458259861, 175522663228862486625127968549968702993144556569961

Offset

0,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..50

Tanya Khovanova, Recursive Sequences

Index entries for linear recurrences with constant coefficients, signature (4084101).

Formula

a(n) = 4084101*a(n-1), a(0)=9261. - Vincenzo Librandi, May 27 2011

Prog

(Magma) [21^(5*n+3): n in [0..10]]; // Vincenzo Librandi, May 27 2011

Crossrefs

Cf. A009965.

Sequence in context: A035910 A202466 A013815 * A100696 A225024 A343193

Adjacent sequences: A013897 A013898 A013899 * A013901 A013902 A013903

Keyword

nonn

Author

N. J. A. Sloane

Status

approved