A059663 Positions of the flipped bits in the sequence A059459.

0, 2, 1, 3, 4, 1, 3, 2, 1, 13, 6, 11, 13, 1, 11, 4, 2, 3, 10, 6, 3, 5, 1, 3, 18, 2, 3, 11, 6, 10, 14, 3, 4, 1, 2, 6, 5, 2, 8, 4, 10, 14, 6, 5, 3, 9, 1, 3, 2, 6, 14, 2, 5, 10, 2, 18, 9, 13, 10, 1, 6, 7, 1, 9, 7, 6, 38, 23, 3, 27, 4, 8, 12, 1, 6, 2, 13, 14, 24, 12, 9, 3, 11, 17, 32, 37, 12, 33

Offset: 1

Author

Antti Karttunen, Feb 03 2001

Keywords

• nonn

Comments

E.g. starting from A059459[1] = 2, flip (set) bit 0, gives A059459[2] = 3 (= 2+2^0), then flip (set) bit 2, gives A059459[3] = 7 (3+2^2), then flip (clear) bit 1, gives A059459[4] = 5 (7-2^1), etc.

Crossrefs

Cf. A054429, A059459.

Programs

Maple

map(floor_log_2,map(abs,DIFF(A059459))); # For floor_log_2, see A054429