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A120239
Split-floor-multiplier sequence (SFMS) using multipliers 1/tau and tau, where tau=(1+sqrt(5))/2. (SFMS is defined at A120229.).
1
1, 3, 4, 2, 8, 9, 11, 12, 5, 6, 17, 7, 21, 22, 24, 25, 10, 29, 30, 32, 33, 13, 14, 38, 15, 16, 43, 45, 46, 18, 19, 51, 20, 55, 56, 58, 59, 23, 63, 64, 66, 67, 26, 27, 72, 28, 76, 77, 79, 80, 31, 84, 85, 87, 88, 34, 35, 93, 36, 37, 98, 100, 101, 39, 40, 106, 41, 42, 111, 113
OFFSET
1,2
COMMENTS
A permutation of the natural numbers.
FORMULA
a(n)=[nr] if this is positive and new, else a(n)=[n/r], where r=2/(1+sqrt(5)).
CROSSREFS
Sequence in context: A220508 A316323 A341054 * A082362 A082364 A346237
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jun 11 2006
STATUS
approved