A116855 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A116855 as a triangular array

											1
										1		1
									1		2		1
								1		2		3		1
							1		2		6		4		1
						1		2		6		13		5		1
					1		2		6		24		23		6		1
				1		2		6		24		67		36		7		1
			1		2		6		24		120		146		52		8		1
		1		2		6		24		120		411		272		71		9		1
	1		2		6		24		120		720		1067		456		93		10		1

A116855 as a square array

1	1	1	1	1	1	1	1	1	1	1
1	2	2	2	2	2	2	2	2	2
1	3	6	6	6	6	6	6	6
1	4	13	24	24	24	24	24
1	5	23	67	120	120	120
1	6	36	146	411	720
1	7	52	272	1067
1	8	71	456
1	9	93
1	10
1

A116855 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	1	2	2	2	2	2	2	2	2	2
		1	3	6	6	6	6	6	6	6
			1	4	13	24	24	24	24	24
				1	5	23	67	120	120	120
					1	6	36	146	411	720
						1	7	52	272	1067
							1	8	71	456
								1	9	93
									1	10
										1