OFFSET
1,2
COMMENTS
The row length sequence is A000196.
LINKS
EXAMPLE
The first 27 rows are:
1;
2;
3;
4, 1;
5, 1;
6, 1;
7, 1;
8, 2;
9, 2, 1;
10, 2, 1;
11, 2, 1;
12, 3, 1;
13, 3, 1;
14, 3, 1;
15, 3, 1;
16, 4, 1, 1;
17, 4, 1, 1;
18, 4, 2, 1;
19, 4, 2, 1;
20, 5, 2, 1;
21, 5, 2, 1;
22, 5, 2, 1;
23, 5, 2, 1;
24, 6, 2, 1;
25, 6, 2, 1, 1;
26, 6, 2, 1, 1;
27, 6, 3, 1, 1;
PROG
(Magma) [n div k^2:k in[1..Isqrt(n)], n in[1..27]];
CROSSREFS
KEYWORD
nonn,easy,tabf
AUTHOR
Jason Kimberley, Feb 01 2017
STATUS
approved