A268766 - OEIS

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A268766 as a triangular array

										0
									1		1
								2		6		2
							5		15		15		5
						10		44		56		44		10
					20		105		223		223		105		20
				38		258		762		1148		762		258		38
			71		595		2607		5170		5170		2607		595		71
		130		1368		8500		23156		32056		23156		8500		1368		130
	235		3069		27411		99057		193573		193573		99057

A268766 as a square array

0	1	2	5	10	20	38	71	130	235
1	6	15	44	105	258	595	1368	3069
2	15	56	223	762	2607	8500	27411
5	44	223	1148	5170	23156	99057
10	105	762	5170	32056	193573
20	258	2607	23156	193573
38	595	8500	99057
71	1368
130

A268766 as an upper right triangle

0	1	2	5	10	20	38	71	130	235
	1	6	15	44	105	258	595	1368	3069
		2	15	56	223	762	2607	8500	27411
			5	44	223	1148	5170	23156	99057
				10	105	762	5170	32056	193573
					20	258	2607	23156	193573
						38	595	8500	99057
							71	1368
								130