A213821 - OEIS

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A213821 as a triangular array

										2
									9		4
								24		16		6
							50		39		23		8
						90		76		54		30		10
					147		130		102		69		37		12
				224		204		170		128		84		44		14
			324		301		261		210		154		99		51		16
		450		424		378		318		250		180		114		58		18
	605		576		524		455		375		290		206

A213821 as a square array

2	9	24	50	90	147	224	324	450	605
4	16	39	76	130	204	301	424	576
6	23	54	102	170	261	378	524
8	30	69	128	210	318	455
10	37	84	154	250	375
12	44	99	180	290
14	51	114	206
16	58
18

A213821 as an upper right triangle

2	9	24	50	90	147	224	324	450	605
	4	16	39	76	130	204	301	424	576
		6	23	54	102	170	261	378	524
			8	30	69	128	210	318	455
				10	37	84	154	250	375
					12	44	99	180	290
						14	51	114	206
							16	58
								18