A220153 - OEIS

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A220153 as a triangular array

										3
									3		6
								6		11		10
							10		23		26		15
						15		50		77		52		21
					21		88		254		242		95		28
				28		137		645		1174		727		163		36
			36		197		1413		4559		5410		2062		266		45
		45		268		2841		16110		34959		24684		5493		416		55
	55		350		5412		53947		214767		279304		108169		13773

A220153 as a square array

3	3	6	10	15	21	28	36	45	55
6	11	23	50	88	137	197	268	350
10	26	77	254	645	1413	2841	5412
15	52	242	1174	4559	16110	53947
21	95	727	5410	34959	214767
28	163	2062	24684	279304
36	266	5493	108169
45	416	13773
55

A220153 as an upper right triangle

3	3	6	10	15	21	28	36	45	55
	6	11	23	50	88	137	197	268	350
		10	26	77	254	645	1413	2841	5412
			15	52	242	1174	4559	16110	53947
				21	95	727	5410	34959	214767
					28	163	2062	24684	279304
						36	266	5493	108169
							45	416	13773
								55