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A104627 Numbers having 4 1's in their base-phi representation. 5
9, 10, 12, 13, 14, 16, 17, 20, 21, 25, 36, 49, 50, 54, 65, 94, 125, 126, 130, 141, 170, 246, 324, 325, 329, 340, 369, 445, 644, 845, 846, 850, 861, 890, 966, 1165, 1686, 2209, 2210, 2214, 2225, 2254, 2330, 2529, 3050, 4414 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..250

Eric Weisstein's World of Mathematics, Phi Number System.

MATHEMATICA

q[n_] := Plus @@ RealDigits[n, GoldenRatio, 2*Ceiling[ Log[GoldenRatio, n]] ][[1]] == 4; Select[Range[4500], q] (* Amiram Eldar, Jan 20 2022 *)

CROSSREFS

Cf. A005248, A104626, A104628.

Sequence in context: A136835 A031166 A202706 * A188057 A119956 A059102

Adjacent sequences:  A104624 A104625 A104626 * A104628 A104629 A104630

KEYWORD

nonn,base

AUTHOR

Eric W. Weisstein, Mar 17 2005

STATUS

approved

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Last modified September 26 08:27 EDT 2022. Contains 356993 sequences. (Running on oeis4.)