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A233292 Triangle read by rows: T(n,k) = number of partitions of n into at most four parts in which no part exceeds k, 0 <= k <= n. 1
1, 0, 1, 0, 1, 2, 0, 1, 2, 3, 0, 1, 3, 4, 5, 0, 0, 2, 4, 5, 6, 0, 0, 2, 5, 7, 8, 9, 0, 0, 1, 4, 7, 9, 10, 11, 0, 0, 1, 4, 8, 11, 13, 14, 15, 0, 0, 0, 3, 7, 11, 14, 16, 17, 18, 0, 0, 0, 2, 7, 12, 16, 19, 21, 22, 23, 0, 0, 0, 1, 5, 11, 16, 20, 23, 25, 26, 27, 0, 0, 0, 1, 5, 11, 18, 23, 27, 30, 32, 33, 34 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,6

COMMENTS

Transpose of table A219237.

LINKS

Table of n, a(n) for n=0..90.

FORMULA

T(n,k) = sum_{k=1..n} A232539(n,k).

EXAMPLE

Triangle T(n,k) begins:

1;

0, 1;

0, 1, 2;

0, 1, 2, 3;

0, 1, 3, 4, 5;

0, 0, 2, 4, 5,  6;

0, 0, 2, 5, 7,  8,  9;

0, 0, 1, 4, 7,  9, 10, 11;

0, 0, 1, 4, 8, 11, 13, 14, 15; ...

CROSSREFS

Cf. A001400 (main diagonal), A219237, A232539.

Sequence in context: A293377 A159880 A289251 * A108456 A089107 A321449

Adjacent sequences:  A233289 A233290 A233291 * A233293 A233294 A233295

KEYWORD

nonn,tabl

AUTHOR

L. Edson Jeffery, Jan 02 2014

STATUS

approved

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Last modified April 3 14:34 EDT 2020. Contains 333197 sequences. (Running on oeis4.)