A370609 - OEIS

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A370609 as a triangular array

						1
					1		1
				1		4		3
			1		11		40		12
		1		26		280		657		60
	1		57		1491		13447		17412		360
1		120		6930		178297		1127388		781896		2520

A370609 as a square array

1	1	1	1	1	1	1
1	4	11	26	57	120
3	40	280	1491	6930
12	657	13447	178297
60	17412	1127388
360	781896
2520

A370609 as an upper right triangle

1	1	1	1	1	1	1
	1	4	11	26	57	120
		3	40	280	1491	6930
			12	657	13447	178297
				60	17412	1127388
					360	781896
						2520