A252139 - OEIS

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

A252139 as a triangular array

									172
								134		134
							209		156		209
						439		431		431		439
					909		1183		1535		1183		909
				1864		3163		5233		5233		3163		1864
			3905		8684		18047		22766		18047		8684		3905
		8406		24031		62277		96481		96481		62277		24031		8406
	18168		66098		213689		409028

A252139 as a square array

172	134	209	439	909	1864	3905	8406	18168
134	156	431	1183	3163	8684	24031	66098
209	431	1535	5233	18047	62277	213689
439	1183	5233	22766	96481	409028
909	3163	18047	96481
1864	8684	62277
3905	24031
8406

A252139 as an upper right triangle

172	134	209	439	909	1864	3905	8406	18168
	134	156	431	1183	3163	8684	24031	66098
		209	431	1535	5233	18047	62277	213689
			439	1183	5233	22766	96481	409028
				909	3163	18047	96481
					1864	8684	62277
						3905	24031
							8406