A281802 - OEIS

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

A281802 as a triangular array

										0
									1		0
								0		0		0
							3		6		9		0
						3		38		75		34		0
					9		157		372		324		87		0
				15		524		1725		1916		865		194		0
			31		1631		7293		12318		8354		2272		400		0
		57		4694		29665		71290		71445		32524		5191		790		0
	108		13006		116539		396185		575062		368408		117401		11141

A281802 as a square array

0	1	0	3	3	9	15	31	57	108
0	0	6	38	157	524	1631	4694	13006
0	9	75	372	1725	7293	29665	116539
0	34	324	1916	12318	71290	396185
0	87	865	8354	71445	575062
0	194	2272	32524	368408
0	400	5191	117401
0	790	11141
0

A281802 as an upper right triangle

0	1	0	3	3	9	15	31	57	108
	0	0	6	38	157	524	1631	4694	13006
		0	9	75	372	1725	7293	29665	116539
			0	34	324	1916	12318	71290	396185
				0	87	865	8354	71445	575062
					0	194	2272	32524	368408
						0	400	5191	117401
							0	790	11141
								0