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A251711
7-step Fibonacci sequence starting with (0,0,0,0,1,0,0).
4
0, 0, 0, 0, 1, 0, 0, 1, 2, 4, 8, 16, 31, 62, 124, 247, 492, 980, 1952, 3888, 7745, 15428, 30732, 61217, 121942, 242904, 483856, 963824, 1919903, 3824378, 7618024, 15174831, 30227720, 60212536, 119941216, 238918608, 475917313, 948010248, 1888402472, 3761630113
OFFSET
0,9
FORMULA
a(n+7) = a(n) + a(n+1) + a(n+2) + a(n+3) + a(n+4) + a(n+5) + a(n+6).
MATHEMATICA
LinearRecurrence[Table[1, {7}], {0, 0, 0, 0, 1, 0, 0}, 40] (* Michael De Vlieger, Dec 09 2014 *)
PROG
(J) NB. see A251713 for the program and apply it to 0 0 0 0 1 0 0.
CROSSREFS
Other 7-step Fibonacci sequences are A066178, A104621, A122189, A251710, A251712, A251713, A251714.
Sequence in context: A280543 A282566 A251706 * A251741 A018487 A251749
KEYWORD
nonn
AUTHOR
Arie Bos, Dec 07 2014
STATUS
approved