A121548 - OEIS

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A121548 as a triangular array

													1
												1		1
											1		2		1
										0		3		3		1
									1		2		6		4		1
								0		3		7		10		5		1
							0		2		9		16		15		6		1
						1		2		9		23		30		21		7		1
					0		2		10		28		50		50		28		8		1
				0		3		9		34		71		96		77		36		9		1
			0		2		12		36		95		156		168		112		45		10		1
		0		0		12		43		115		231		308		274		156		55		11		1
	1		2		9		48		140		312		504		560		423		210		66		12		1

A121548 as a square array

1	1	1	0	1	0	0	1	0	0	0	0	1
1	2	3	2	3	2	2	2	3	2	0	2
1	3	6	7	9	9	10	9	12	12	9
1	4	10	16	23	28	34	36	43	48
1	5	15	30	50	71	95	115	140
1	6	21	50	96	156	231	312
1	7	28	77	168	308	504
1	8	36	112	274	560
1	9	45	156	423
1	10	55	210
1	11	66
1	12
1

A121548 as an upper right triangle

1	1	1	0	1	0	0	1	0	0	0	0	1
	1	2	3	2	3	2	2	2	3	2	0	2
		1	3	6	7	9	9	10	9	12	12	9
			1	4	10	16	23	28	34	36	43	48
				1	5	15	30	50	71	95	115	140
					1	6	21	50	96	156	231	312
						1	7	28	77	168	308	504
							1	8	36	112	274	560
								1	9	45	156	423
									1	10	55	210
										1	11	66
											1	12
												1