A131086 - OEIS

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A131086 as a triangular array

											1
										3		1
									1		5		1
								3		5		7		1
							1		9		11		9		1
						3		9		21		19		11		1
					1		13		29		41		29		13		1
				3		13		43		69		71		41		15		1
			1		17		55		113		139		113		55		17		1
		3		17		73		167		253		251		169		71		19		1
	1		21		89		241		419		505		419		241		89		21		1
3		21		111		329

A131086 as a square array

1	3	1	3	1	3	1	3	1	3	1	3
1	5	5	9	9	13	13	17	17	21	21
1	7	11	21	29	43	55	73	89	111
1	9	19	41	69	113	167	241	329
1	11	29	71	139	253	419
1	13	41	113	251	505
1	15	55	169	419
1	17	71	241
1	19	89
1	21
1

A131086 as an upper right triangle

1	3	1	3	1	3	1	3	1	3	1	3
	1	5	5	9	9	13	13	17	17	21	21
		1	7	11	21	29	43	55	73	89	111
			1	9	19	41	69	113	167	241	329
				1	11	29	71	139	253	419
					1	13	41	113	251	505
						1	15	55	169	419
							1	17	71	241
								1	19	89
									1	21
										1

											1
										3		1
									1		5		1
								3		5		7		1
							1		9		11		9		1
						3		9		21		19		11		1
					1		13		29		41		29		13		1
				3		13		43		69		71		41		15		1
			1		17		55		113		139		113		55		17		1
		3		17		73		167		253		251		169		71		19		1
	1		21		89		241		419		505		419		241		89		21		1
3		21		111		329

1	3	1	3	1	3	1	3	1	3	1	3
1	5	5	9	9	13	13	17	17	21	21
1	7	11	21	29	43	55	73	89	111
1	9	19	41	69	113	167	241	329
1	11	29	71	139	253	419
1	13	41	113	251	505
1	15	55	169	419
1	17	71	241
1	19	89
1	21
1

1	3	1	3	1	3	1	3	1	3	1	3
	1	5	5	9	9	13	13	17	17	21	21
		1	7	11	21	29	43	55	73	89	111
			1	9	19	41	69	113	167	241	329
				1	11	29	71	139	253	419
					1	13	41	113	251	505
						1	15	55	169	419
							1	17	71	241
								1	19	89
									1	21
										1

											1
										3		1
									1		5		1
								3		5		7		1
							1		9		11		9		1
						3		9		21		19		11		1
					1		13		29		41		29		13		1
				3		13		43		69		71		41		15		1
			1		17		55		113		139		113		55		17		1
		3		17		73		167		253		251		169		71		19		1
	1		21		89		241		419		505		419		241		89		21		1
3		21		111		329

1	3	1	3	1	3	1	3	1	3	1	3
1	5	5	9	9	13	13	17	17	21	21
1	7	11	21	29	43	55	73	89	111
1	9	19	41	69	113	167	241	329
1	11	29	71	139	253	419
1	13	41	113	251	505
1	15	55	169	419
1	17	71	241
1	19	89
1	21
1

1	3	1	3	1	3	1	3	1	3	1	3
	1	5	5	9	9	13	13	17	17	21	21
		1	7	11	21	29	43	55	73	89	111
			1	9	19	41	69	113	167	241	329
				1	11	29	71	139	253	419
					1	13	41	113	251	505
						1	15	55	169	419
							1	17	71	241
								1	19	89
									1	21
										1

											1
										3		1
									1		5		1
								3		5		7		1
							1		9		11		9		1
						3		9		21		19		11		1
					1		13		29		41		29		13		1
				3		13		43		69		71		41		15		1
			1		17		55		113		139		113		55		17		1
		3		17		73		167		253		251		169		71		19		1
	1		21		89		241		419		505		419		241		89		21		1
3		21		111		329

1	3	1	3	1	3	1	3	1	3	1	3
1	5	5	9	9	13	13	17	17	21	21
1	7	11	21	29	43	55	73	89	111
1	9	19	41	69	113	167	241	329
1	11	29	71	139	253	419
1	13	41	113	251	505
1	15	55	169	419
1	17	71	241
1	19	89
1	21
1

1	3	1	3	1	3	1	3	1	3	1	3
	1	5	5	9	9	13	13	17	17	21	21
		1	7	11	21	29	43	55	73	89	111
			1	9	19	41	69	113	167	241	329
				1	11	29	71	139	253	419
					1	13	41	113	251	505
						1	15	55	169	419
							1	17	71	241
								1	19	89
									1	21
										1