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 A045998 Binary Gleichniszahlen-Reihe (BGR) sequence: describe previous term (cf. A005150), reduce number of digits seen mod 2 (then for the purposes of this data-base, discard leading zeros). 2
 1, 11, 1, 1011, 111001, 110011, 10001, 10111011, 1110111001, 1110110011, 1110010001, 1100111011, 100111001, 101100110011, 11100100010001, 11001110111011, 1001110111001, 1011001110110011, 111001001110010001 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Terms with a leading zero: a(2), a(6), a(12), a(16), a(20), a(28), a(32), a(36), a(40), a(44), a(48), a(60), ... REFERENCES N. Worrick, S. Lewis and B. Shrader, A possible formula for the length of BGR sequences, Graph Theory Notes of New York, XXXVI (1999), p. 25. LINKS EXAMPLE 1, 11, 01, 1011, 111001, 110011, 010001, ... (after 110011, next term is 212021 -> 010001 -> 10001). CROSSREFS Cf. A005150, A045999, A048522. Sequence in context: A132098 A223513 A160480 * A287194 A283083 A288401 Adjacent sequences:  A045995 A045996 A045997 * A045999 A046000 A046001 KEYWORD nonn,base,easy AUTHOR EXTENSIONS More terms from Patrick De Geest, Jun 15 1999 STATUS approved

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Last modified February 24 03:22 EST 2020. Contains 332195 sequences. (Running on oeis4.)