A013843 a(n) = 7^(5*n + 2).

49, 823543, 13841287201, 232630513987207, 3909821048582988049, 65712362363534280139543, 1104427674243920646305299201, 18562115921017574302453163671207, 311973482284542371301330321821976049, 5243338316756303634461458718861951455543

Offset

0,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..100

Tanya Khovanova, Recursive Sequences

Index entries for linear recurrences with constant coefficients, signature (16807).

Prog

(Magma) [7^(5*n+2): n in [0..15]]; // Vincenzo Librandi, Jul 08 2011

Crossrefs

Sequence in context: A239169 A134725 A203499 * A303146 A023936 A324676

Adjacent sequences: A013840 A013841 A013842 * A013844 A013845 A013846

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved