A280313 - OEIS

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

A280313 as a triangular array

									0
								0		0
							0		0		0
						1		15		15		1
					2		222		788		222		2
				9		2348		20274		20274		2348		9
			34		21302		415198		1047790		415198		21302		34
		124		176125		7506237		43973846		43973846		7506237		176125		124
	432		1370378		125467047		1638451216		3802506340

A280313 as a square array

0	0	0	1	2	9	34	124	432
0	0	15	222	2348	21302	176125	1370378
0	15	788	20274	415198	7506237	125467047
1	222	20274	1047790	43973846	1638451216
2	2348	415198	43973846	3802506340
9	21302	7506237
34	176125
124

A280313 as an upper right triangle

0	0	0	1	2	9	34	124	432
	0	0	15	222	2348	21302	176125	1370378
		0	15	788	20274	415198	7506237	125467047
			1	222	20274	1047790	43973846	1638451216
				2	2348	415198	43973846	3802506340
					9	21302	7506237
						34	176125
							124