A219156 - OEIS

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A219156 as a triangular array

										1
									2		2
								4		4		4
							7		9		9		7
						12		21		32		21		12
					21		49		104		104		49		21
				37		115		360		531		360		115		37
			65		269		1234		2708		2708		1234		269		65
		114		628		4224		13725		20400		13725		4224		628		114
	200		1468		14421		69784		153666		153666		69784		14421		1468

A219156 as a square array

1	2	4	7	12	21	37	65	114	200
2	4	9	21	49	115	269	628	1468
4	9	32	104	360	1234	4224	14421
7	21	104	531	2708	13725	69784
12	49	360	2708	20400	153666
21	115	1234	13725	153666
37	269	4224	69784
65	628	14421
114	1468

A219156 as an upper right triangle

1	2	4	7	12	21	37	65	114	200
	2	4	9	21	49	115	269	628	1468
		4	9	32	104	360	1234	4224	14421
			7	21	104	531	2708	13725	69784
				12	49	360	2708	20400	153666
					21	115	1234	13725	153666
						37	269	4224	69784
							65	628	14421
								114	1468