A208039 - OEIS

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A208039 as a triangular array

										2
									4		4
								6		16		6
							9		36		36		9
						15		81		102		81		13
					25		225		289		279		169		19
				40		625		1071		961		741		361		28
			64		1600		3969		4743		3249		1995		784		41
		104		4096		13230		23409		21147		11025		5404		1681		60
	169		10816		44100		100215		137641		94605

A208039 as a square array

2	4	6	9	15	25	40	64	104	169
4	16	36	81	225	625	1600	4096	10816
6	36	102	289	1071	3969	13230	44100
9	81	279	961	4743	23409	100215
13	169	741	3249	21147	137641
19	361	1995	11025	94605
28	784	5404
41	1681
60

A208039 as an upper right triangle

2	4	6	9	15	25	40	64	104	169
	4	16	36	81	225	625	1600	4096	10816
		6	36	102	289	1071	3969	13230	44100
			9	81	279	961	4743	23409	100215
				13	169	741	3249	21147	137641
					19	361	1995	11025	94605
						28	784	5404
							41	1681
								60