A268789 - OEIS

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A268789 as a triangular array

										0
									1		1
								2		5		2
							5		17		17		5
						10		48		72		48		10
					20		131		302		302		131		20
				38		338		1144		1714		1144		338		38
			71		850		4207		9085		9085		4207		850		71
		130		2091		14984		46195		67100		46195		14984		2091		130
	235		5061		52335		228384		477128		477128		228384

A268789 as a square array

0	1	2	5	10	20	38	71	130	235
1	5	17	48	131	338	850	2091	5061
2	17	72	302	1144	4207	14984	52335
5	48	302	1714	9085	46195	228384
10	131	1144	9085	67100	477128
20	338	4207	46195	477128
38	850	14984	228384
71	2091
130

A268789 as an upper right triangle

0	1	2	5	10	20	38	71	130	235
	1	5	17	48	131	338	850	2091	5061
		2	17	72	302	1144	4207	14984	52335
			5	48	302	1714	9085	46195	228384
				10	131	1144	9085	67100	477128
					20	338	4207	46195	477128
						38	850	14984	228384
							71	2091
								130