A268249 - OEIS

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

A268249 as a triangular array

								2
							9		4
						60		81		8
					570		3600		729		15
				6960		324900		216000		6084		28
			104006		48441600		185193000		12067722		49284		51
		1837752		10817248036		337153536000		98956027822		648144348		386884		92
	37478718		3377332413504		1125058699232216

A268249 as a square array

2	9	60	570	6960	104006	1837752	37478718
4	81	3600	324900	48441600	10817248036	3377332413504
8	729	216000	185193000	337153536000	1125058699232216
15	6084	12067722	98956027822
28	49284	648144348
51	386884
92

A268249 as an upper right triangle

2	9	60	570	6960	104006	1837752	37478718
	4	81	3600	324900	48441600	10817248036	3377332413504
		8	729	216000	185193000	337153536000	1125058699232216
			15	6084	12067722	98956027822
				28	49284	648144348
					51	386884
						92