OFFSET
0,2
COMMENTS
(6n+1)-th terms: 43, 43^2, 43^3, 43^4?
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 43).
FORMULA
6n-th terms of a(n) opposite to the 6th of third differences. These terms are 21=3*7, 903=21*43, 38829=21*43^2.
MATHEMATICA
LinearRecurrence[{0, 0, 0, 0, 0, 43}, {1, 2, 3, 5, 10, 21}, 19] (* Ray Chandler, Sep 23 2015 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul Curtz, Nov 13 2007
STATUS
approved