A004199 - OEIS

A004199 as a triangular array

1

0 2

0 1 3

0 0 1 4

0 0 1 2 5

0 0 0 1 2 6

0 0 0 1 1 3 7

0 0 0 0 1 2 3 8

0 0 0 0 1 1 2 4 9

0 0 0 0 0 1 1 2 4 10

0 0 0 0 0 1 1 2 3 5 11

0 0 0 0 0 0 1 1 2 3 5 12

0 0 0 0 0 0 1 1 1 2 3 6 13

0 0 0 0 0 0 0 1 1 2 2 4 6 14

1 0 0 0 0 0 0 0 0 0 0 0 0 0

2 1 0 0 0 0 0 0 0 0 0 0 0

3 1 1 0 0 0 0 0 0 0 0 0

4 2 1 1 0 0 0 0 0 0 0

5 2 1 1 1 0 0 0 0 0

6 3 2 1 1 1 0 0 0

7 3 2 1 1 1 1 0

8 4 2 2 1 1 1

9 4 3 2 1 1

10 5 3 2 2

11 5 3 2

12 6 4

13 6

14