A188851 - OEIS

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A188851 as a triangular array

										2
									4		4
								7		16		7
							12		49		49		12
						20		144		219		144		20
					33		400		908		958		400		33
				54		1089		3642		5711		3860		1089		54
			88		2916		14265		33037		32204		15358		2916		88
		143		7744		54914		185351		262588		181557		59939		7744		143
	232		20449		209116		1020454

A188851 as a square array

2	4	7	12	20	33	54	88	143	232
4	16	49	144	400	1089	2916	7744	20449
7	49	219	908	3642	14265	54914	209116
12	144	958	5711	33037	185351	1020454
20	400	3860	32204	262588
33	1089	15358	181557
54	2916	59939
88	7744
143

A188851 as an upper right triangle

2	4	7	12	20	33	54	88	143	232
	4	16	49	144	400	1089	2916	7744	20449
		7	49	219	908	3642	14265	54914	209116
			12	144	958	5711	33037	185351	1020454
				20	400	3860	32204	262588
					33	1089	15358	181557
						54	2916	59939
							88	7744
								143