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A205392 Ordered differences of numbers s(j)=ceiling(j^2/2). 2
1, 4, 3, 7, 6, 3, 12, 11, 8, 5, 17, 16, 13, 10, 5, 24, 23, 20, 17, 12, 7, 31, 30, 27, 24, 19, 14, 7, 40, 39, 36, 33, 28, 23, 16, 9, 49, 48, 45, 42, 37, 32, 25, 18, 9, 60, 59, 56, 53, 48, 43, 36, 29, 20, 11, 71, 70, 67, 64, 59, 54, 47, 40, 31, 22, 11, 84, 83, 80, 77 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
For a guide to related sequences, see A204892.
LINKS
EXAMPLE
a(1)=s(2)-s(1)=2-1=1
a(2)=s(3)-s(1)=5-1=4
a(3)=s(3)-s(2)=5-2=3
a(4)=s(4)-s(1)=8-1=7
a(5)=s(4)-s(2)=8-2=6
MATHEMATICA
(See the program at A205394.)
CROSSREFS
Sequence in context: A093051 A089020 A046560 * A131413 A249189 A168200
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jan 27 2012
STATUS
approved

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Last modified June 18 17:37 EDT 2024. Contains 373483 sequences. (Running on oeis4.)