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A232539
Triangle read by rows: T(n,k) = number of partitions of n into at most four parts in which the largest part is equal to k, 0 <= k <= n.
1
1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 2, 1, 1, 0, 0, 2, 2, 1, 1, 0, 0, 2, 3, 2, 1, 1, 0, 0, 1, 3, 3, 2, 1, 1, 0, 0, 1, 3, 4, 3, 2, 1, 1, 0, 0, 0, 3, 4, 4, 3, 2, 1, 1, 0, 0, 0, 2, 5, 5, 4, 3, 2, 1, 1, 0, 0, 0, 1, 4, 6, 5, 4, 3, 2, 1, 1, 0, 0, 0, 1, 4, 6, 7, 5, 4, 3, 2, 1, 1
OFFSET
0,13
EXAMPLE
Triangle T{n,k} begins:
1;
0, 1;
0, 1, 1;
0, 1, 1, 1;
0, 1, 2, 1, 1;
0, 0, 2, 2, 1, 1;
0, 0, 2, 3, 2, 1, 1;
0, 0, 1, 3, 3, 2, 1, 1;
0, 0, 1, 3, 4, 3, 2, 1, 1;
0, 0, 0, 3, 4, 4, 3, 2, 1, 1; ...
CROSSREFS
Cf. A001400 (row sums), A219237, A233292 (row partial sums).
Sequence in context: A026921 A198568 A327310 * A157044 A182748 A025879
KEYWORD
nonn,tabl
AUTHOR
L. Edson Jeffery, Jan 02 2014
STATUS
approved