A163940 - OEIS

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

A163940 as a triangular array

											1
										1		0
									1		2		0
								1		5		3		0
							1		9		17		4		0
						1		14		52		49		5		0
					1		20		121		246		129		6		0
				1		27		240		834		1039		321		7		0
			1		35		428		2250		5037		4083		769		8		0
		1		44		707		5214		18201		27918		15274		1793		9		0
	1		54		1102		10829		54111		133530		145777		55152		4097		10		0

A163940 as a square array

1	1	1	1	1	1	1	1	1	1	1
0	2	5	9	14	20	27	35	44	54
0	3	17	52	121	240	428	707	1102
0	4	49	246	834	2250	5214	10829
0	5	129	1039	5037	18201	54111
0	6	321	4083	27918	133530
0	7	769	15274	145777
0	8	1793	55152
0	9	4097
0	10
0

A163940 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	0	2	5	9	14	20	27	35	44	54
		0	3	17	52	121	240	428	707	1102
			0	4	49	246	834	2250	5214	10829
				0	5	129	1039	5037	18201	54111
					0	6	321	4083	27918	133530
						0	7	769	15274	145777
							0	8	1793	55152
								0	9	4097
									0	10
										0