A239331 - OEIS

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A239331 as a triangular array

												1
											1		1
										1		3		1
									1		5		6		1
								1		7		13		10		1
							1		9		22		25		15		1
						1		11		33		46		41		21		1
					1		13		46		73		79		61		28		1
				1		15		61		106		129		121		85		36		1
			1		17		78		145		191		201		172		113		45		1
		1		19		97		190		265		301		289		232		145		55		1
	1		21

A239331 as a square array

1	1	1	1	1	1	1	1	1	1	1	1
1	3	5	7	9	11	13	15	17	19	21
1	6	13	22	33	46	61	78	97
1	10	25	46	73	106	145	190
1	15	41	79	129	191	265
1	21	61	121	201	301
1	28	85	172	289
1	36	113	232
1	45	145
1	55
1

A239331 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1
	1	3	5	7	9	11	13	15	17	19	21
		1	6	13	22	33	46	61	78	97
			1	10	25	46	73	106	145	190
				1	15	41	79	129	191	265
					1	21	61	121	201	301
						1	28	85	172	289
							1	36	113	232
								1	45	145
									1	55
										1