A222405 - OEIS

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A222405 as a triangular array

											1
										3		3
									7		6		7
								13		13		13		13
							21		26		26		26		21
						31		47		52		52		47		31
					43		78		99		104		99		78		43
				57		121		177		203		203		177		121		57
			73		178		298		380		406		380		298		178		73
		91		251		476		678		786		786		678		476		251		91
	111		342		727		1154		1464		1572		1464		1154		727		342		111

A222405 as a square array

1	3	7	13	21	31	43	57	73	91	111
3	6	13	26	47	78	121	178	251	342
7	13	26	52	99	177	298	476	727
13	26	52	104	203	380	678	1154
21	47	99	203	406	786	1464
31	78	177	380	786	1572
43	121	298	678	1464
57	178	476	1154
73	251	727
91	342
111

A222405 as an upper right triangle

1	3	7	13	21	31	43	57	73	91	111
	3	6	13	26	47	78	121	178	251	342
		7	13	26	52	99	177	298	476	727
			13	26	52	104	203	380	678	1154
				21	47	99	203	406	786	1464
					31	78	177	380	786	1572
						43	121	298	678	1464
							57	178	476	1154
								73	251	727
									91	342
										111