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A117933
A bisection of A117931.
3
1, 7, 9, 10, 14, 19, 23, 25, 28, 31, 33, 35, 38, 41, 43, 46, 50, 53, 56, 59, 62, 66, 70, 73, 76, 79, 82, 86, 89, 92, 95, 97, 100, 103, 106, 109, 112, 115, 118, 121, 124, 127, 129, 132, 135, 137, 140, 143, 146, 149, 152, 155, 158, 161, 164, 167, 169, 172, 175, 178
OFFSET
1,2
COMMENTS
(1) A strictly increasing sequence. (2) a(n)/n --> 3/2. (3) a(n)-a(n-1) is 2, 3, or 4 for all n>=7.
FORMULA
A117931(2n-1), for n=1,2,3,...
EXAMPLE
A117931 = (1,2,7,5,9,3,10,4,14,6,19,8...);
A117933 consists of odd-indexed terms: 1,7,9,10,14,19,...
CROSSREFS
Sequence in context: A151913 A095034 A118621 * A112162 A058483 A176326
KEYWORD
nonn
AUTHOR
Clark Kimberling, Apr 03 2006
STATUS
approved