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A191884 Ordered sequence of nonnegative differences f-5*g, where f and g are positive Fibonacci numbers (A000045). 4
0, 1, 2, 3, 5, 6, 8, 11, 13, 16, 17, 21, 27, 28, 32, 34, 37, 43, 45, 53, 55, 58, 63, 70, 73, 85, 89, 95, 100, 105, 113, 118, 138, 144, 153, 163, 168, 173, 183, 191, 223, 233, 248, 263, 273, 278, 283, 296, 309, 361, 377, 401, 426, 441, 451, 456, 461, 479, 500 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..5000

MATHEMATICA

c = 2; d = 5; f[n_] := Fibonacci[n];

g[n_] := c*f[n]; h[n_] := d*f[n];

t[i_, j_] := h[i] + g[j];

u = Table[t[i, j], {i, 1, 20}, {j, 1, 20}];

v = Union[Flatten[u ]]    (* A191883 *)

t1[i_, j_] := If[g[i] - h[j] > 0, g[i] - h[j], 0]

u1 = Table[t1[i, j], {i, 1, 20}, {j, 1, 20}];

v1 = Union[Flatten[u1 ]]  (* A191884: c*f(i)-d*f(j) *)

g1[n_] := d*f[n]; h1[n_] := c*f[n];

t2[i_, j_] := If[g1[i] - h1[j] > 0, g1[i] - h1[j], 0]

u2 = Table[t2[i, j], {i, 1, 20}, {j, 1, 20}];

v2 = Union[Flatten[u2 ]]  (* A191885: d*f(i)-c*f(j) *)

v3 = Union[v1, v2]        (* A191886 *)

CROSSREFS

Cf. A191883, A191885, A191886.

Sequence in context: A179799 A247588 A275341 * A291693 A266542 A095172

Adjacent sequences:  A191881 A191882 A191883 * A191885 A191886 A191887

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jun 18 2011

STATUS

approved

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Last modified September 19 18:24 EDT 2020. Contains 337181 sequences. (Running on oeis4.)