A378277 - OEIS

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A378277 as a triangular array

										1
									2		2
								2		3		6
							2		3		10		15
						2		3		10		24		40
					2		3		10		24		65		104
				2		3		10		24		65		168		273
			2		3		10		24		65		168		442		714
		2		3		10		24		65		168		442		1155		1870
	2		3		10		24		65		168		442		1155		3026		4895
2		3		10		24		65		168		442		1155		3026		7920		12816

A378277 as a square array

1	2	2	2	2	2	2	2	2	2	2
2	3	3	3	3	3	3	3	3	3
6	10	10	10	10	10	10	10	10
15	24	24	24	24	24	24	24
40	65	65	65	65	65	65
104	168	168	168	168	168
273	442	442	442	442
714	1155	1155	1155
1870	3026	3026
4895	7920
12816

A378277 as an upper right triangle

1	2	2	2	2	2	2	2	2	2	2
	2	3	3	3	3	3	3	3	3	3
		6	10	10	10	10	10	10	10	10
			15	24	24	24	24	24	24	24
				40	65	65	65	65	65	65
					104	168	168	168	168	168
						273	442	442	442	442
							714	1155	1155	1155
								1870	3026	3026
									4895	7920
										12816