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).
1, 11, 1, 1011, 111001, 110011, 10001, 10111011, 1110111001, 1110110011, 1110010001, 1100111011, 100111001, 101100110011, 11100100010001, 11001110111011, 1001110111001, 1011001110110011, 111001001110010001
Offset: 0
Examples
1, 11, 01, 1011, 111001, 110011, 010001, ... (after 110011, next term is 212021 -> 010001 -> 10001).
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.
Extensions
More terms from Patrick De Geest, Jun 15 1999
Comments