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A075994
Irregular triangle T(n,k) = floor(n/k) for k = 1, 2, ..., floor(n/2) for n>=2 and T(1,1)=1.
0
1, 2, 3, 4, 2, 5, 2, 6, 3, 2, 7, 3, 2, 8, 4, 2, 2, 9, 4, 3, 2, 10, 5, 3, 2, 2, 11, 5, 3, 2, 2, 12, 6, 4, 3, 2, 2, 13, 6, 4, 3, 2, 2, 14, 7, 4, 3, 2, 2, 2, 15, 7, 5, 3, 3, 2, 2, 16, 8, 5, 4, 3, 2, 2, 2, 17, 8, 5, 4, 3, 2, 2, 2, 18, 9, 6, 4, 3, 3, 2, 2, 2, 19, 9, 6, 4, 3, 3, 2, 2, 2, 20, 10, 6, 5, 4, 3
OFFSET
1,2
COMMENTS
This triangle is obtained by deleting from A010766 all 1's except for the first.
Row sums: A075995.
EXAMPLE
Irregular triangle starts:
1
2
3
4 2
5 2
6 3 2
CROSSREFS
Sequence in context: A366296 A191248 A323156 * A305893 A374477 A325980
KEYWORD
nonn,tabf
AUTHOR
Clark Kimberling, Sep 28 2002
EXTENSIONS
Edited by Georg Fischer, Oct 25 2021
STATUS
approved