A366541 - OEIS

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

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A366541 as a triangular array

											2
										4		4
									5		9		6
								6		14		16		8
							7		20		30		25		10
						8		27		50		55		36		12
					9		35		77		105		91		49		14
				10		44		112		182		196		140		64		16
			11		54		156		294		378		336		204		81		18
		12		65		210		450		672		714		540		285		100		20
	13		77		275		660		1122		1386		1254		825		385		121		22

A366541 as a square array

2	4	5	6	7	8	9	10	11	12	13
4	9	14	20	27	35	44	54	65	77
6	16	30	50	77	112	156	210	275
8	25	55	105	182	294	450	660
10	36	91	196	378	672	1122
12	49	140	336	714	1386
14	64	204	540	1254
16	81	285	825
18	100	385
20	121
22

A366541 as an upper right triangle

2	4	5	6	7	8	9	10	11	12	13
	4	9	14	20	27	35	44	54	65	77
		6	16	30	50	77	112	156	210	275
			8	25	55	105	182	294	450	660
				10	36	91	196	378	672	1122
					12	49	140	336	714	1386
						14	64	204	540	1254
							16	81	285	825
								18	100	385
									20	121
										22