A193648 - OEIS

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A193648 as a triangular array

											1
										1		3
									1		5		7
								1		7		13		15
							1		9		19		37		33
						1		11		25		67		105		73
					1		13		31		105		217		297		161
				1		15		37		151		369		721		841		355
			1		17		43		205		561		1393		2377		2381		783
		1		19		49		267		793		2361		5105		7855		6741		1727
	1		21		55		337		1065		3673		9361

A193648 as a square array

1	1	1	1	1	1	1	1	1	1	1
3	5	7	9	11	13	15	17	19	21
7	13	19	25	31	37	43	49	55
15	37	67	105	151	205	267	337
33	105	217	369	561	793	1065
73	297	721	1393	2361	3673
161	841	2377	5105	9361
355	2381	7855
783	6741
1727

A193648 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	3	5	7	9	11	13	15	17	19	21
		7	13	19	25	31	37	43	49	55
			15	37	67	105	151	205	267	337
				33	105	217	369	561	793	1065
					73	297	721	1393	2361	3673
						161	841	2377	5105	9361
							355	2381	7855
								783	6741
									1727