A251712 7-step Fibonacci sequence starting with (0,0,0,1,0,0,0).

0, 0, 0, 1, 0, 0, 0, 1, 2, 4, 8, 15, 30, 60, 120, 239, 476, 948, 1888, 3761, 7492, 14924, 29728, 59217, 117958, 234968, 468048, 932335, 1857178, 3699432, 7369136, 14679055, 29240152, 58245336, 116022624, 231112913, 460368648, 917037864, 1826706592, 3638734129

Offset

0,9

Links

Table of n, a(n) for n=0..39.

Index entries for linear recurrences with constant coefficients, signature (1,1,1,1,1,1,1).

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, 1, 0, 0, 0}, 40] (* Michael De Vlieger, Dec 09 2014 *)

Prog

(J) NB. see A251713 for the program and apply it to 0 0 0 1 0 0 0.

Crossrefs

Other 7-step Fibonacci sequences are A066178, A104621, A122189, A251710, A251711, A251713, A251714.

Sequence in context: A124312 A068030 A251707 * A251742 A251750 A251764

Adjacent sequences: A251709 A251710 A251711 * A251713 A251714 A251715

Keyword

nonn,easy

Author

Arie Bos, Dec 07 2014

Status

approved