A207403 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A207403 as a triangular array

											2
										4		4
									6		16		6
								9		36		36		8
							12		81		102		64		10
						16		144		289		216		100		12
					20		256		612		729		390		144		14
				25		400		1296		1782		1521		636		196		16
			30		625		2340		4356		4212		2809		966		256		18
		36		900		4225		8910		11664		8692		4761		1392		324		20
	42		1296

A207403 as a square array

2	4	6	9	12	16	20	25	30	36	42
4	16	36	81	144	256	400	625	900	1296
6	36	102	289	612	1296	2340	4225
8	64	216	729	1782	4356	8910
10	100	390	1521	4212	11664
12	144	636	2809	8692
14	196	966	4761
16	256	1392
18	324
20

A207403 as an upper right triangle

2	4	6	9	12	16	20	25	30	36	42
	4	16	36	81	144	256	400	625	900	1296
		6	36	102	289	612	1296	2340	4225
			8	64	216	729	1782	4356	8910
				10	100	390	1521	4212	11664
					12	144	636	2809	8692
						14	196	966	4761
							16	256	1392
								18	324
									20