A276774 - OEIS

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A276774 as a triangular array

											1
										1		2
									2		3		3
								4		6		6		4
							10		19		12		11		4
						26		50		55		20		16		4
					76		171		150		125		30		22		4
				232		532		651		350		245		42		29		4
			764		1961		2128		1876		700		434		56		37		4
		2620		6876		9297		6384		4536		1260		714		72		46		4
	9496		27145		34380		32565		15960		9702		2100		1110		90		56		4

A276774 as a square array

1	1	2	4	10	26	76	232	764	2620	9496
2	3	6	19	50	171	532	1961	6876	27145
3	6	12	55	150	651	2128	9297	34380
4	11	20	125	350	1876	6384	32565
4	16	30	245	700	4536	15960
4	22	42	434	1260	9702
4	29	56	714	2100
4	37	72	1110
4	46	90
4	56
4

A276774 as an upper right triangle

1	1	2	4	10	26	76	232	764	2620	9496
	2	3	6	19	50	171	532	1961	6876	27145
		3	6	12	55	150	651	2128	9297	34380
			4	11	20	125	350	1876	6384	32565
				4	16	30	245	700	4536	15960
					4	22	42	434	1260	9702
						4	29	56	714	2100
							4	37	72	1110
								4	46	90
									4	56
										4