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A054288 Positions of 2's in the decimal expansion of (1 + sqrt(5))/2. 1
20, 39, 52, 55, 63, 64, 68, 73, 79, 86, 89, 121, 123, 130, 131, 132, 153, 175, 183, 184, 192, 194, 197, 206, 214, 224, 229, 230, 231, 236, 239, 246, 248, 269, 270, 290, 308, 315, 349, 350, 352, 382, 389, 407, 410 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Flatten[Position[RealDigits[(Sqrt[5]+1)/2, 10, 1000][[1]], 2]] (* Harvey P. Dale, Oct 30 2014 *)
CROSSREFS
Cf. A001622.
Sequence in context: A165442 A242532 A132606 * A238245 A215144 A352108
KEYWORD
nonn,base
AUTHOR
Simon Plouffe, Feb 20 2000
STATUS
approved

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Last modified December 5 03:25 EST 2023. Contains 367567 sequences. (Running on oeis4.)