A111808 - OEIS

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A111808 as a triangular array

											1
										1		1
									1		2		3
								1		3		6		7
							1		4		10		16		19
						1		5		15		30		45		51
					1		6		21		50		90		126		141
				1		7		28		77		161		266		357		393
			1		8		36		112		266		504		784		1016		1107
		1		9		45		156		414		882		1554		2304		2907		3139
	1		10		55		210		615		1452		2850		4740		6765		8350

A111808 as a square array

1	1	1	1	1	1	1	1	1	1	1
1	2	3	4	5	6	7	8	9	10
3	6	10	15	21	28	36	45	55
7	16	30	50	77	112	156	210
19	45	90	161	266	414	615
51	126	266	504	882	1452
141	357	784	1554	2850
393	1016	2304	4740
1107	2907	6765
3139	8350

A111808 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	1	2	3	4	5	6	7	8	9	10
		3	6	10	15	21	28	36	45	55
			7	16	30	50	77	112	156	210
				19	45	90	161	266	414	615
					51	126	266	504	882	1452
						141	357	784	1554	2850
							393	1016	2304	4740
								1107	2907	6765
									3139	8350