A280554 - OEIS

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A280554 as a triangular array

											0
										0		0
									0		0		0
								1		9		9		1
							2		34		50		34		2
						6		87		144		144		87		6
					13		194		325		382		325		194		13
				29		400		670		832		832		670		400		29
			60		790		1316		1666		1764		1666		1316		790		60
		122		1511		2502		3182		3438		3438		3182		2502		1511		122
	241		2830		4654

A280554 as a square array

0	0	0	1	2	6	13	29	60	122	241
0	0	9	34	87	194	400	790	1511	2830
0	9	50	144	325	670	1316	2502	4654
1	34	144	382	832	1666	3182
2	87	325	832	1764	3438
6	194	670	1666	3438
13	400	1316	3182
29	790	2502
60	1511
122

A280554 as an upper right triangle

0	0	0	1	2	6	13	29	60	122	241
	0	0	9	34	87	194	400	790	1511	2830
		0	9	50	144	325	670	1316	2502	4654
			1	34	144	382	832	1666	3182
				2	87	325	832	1764	3438
					6	194	670	1666	3438
						13	400	1316	3182
							29	790	2502
								60	1511
									122