A078805 - OEIS

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

A078805 as a triangular array

													1
												1		1
											1		2		0
										1		3		1		1
									1		4		3		2		0
								1		5		6		4		2		1
							1		6		10		8		6		2		0
						1		7		15		15		13		6		3		1
					1		8		21		26		25		16		9		2		0
				1		9		28		42		45		36		22		9		4		1
			1		10		36		64		77		72		50		28		12		2		0
		1		11		45		93		126		133		106		70		34		13		5		1
	1		12		55		130		198		232

A078805 as a square array

1	1	1	1	1	1	1	1	1	1	1	1	1
1	2	3	4	5	6	7	8	9	10	11	12
0	1	3	6	10	15	21	28	36	45	55
1	2	4	8	15	26	42	64	93	130
0	2	6	13	25	45	77	126	198
1	2	6	16	36	72	133	232
0	3	9	22	50	106
1	2	9	28	70
0	4	12	34
1	2	13
0	5
1

A078805 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1	1
	1	2	3	4	5	6	7	8	9	10	11	12
		0	1	3	6	10	15	21	28	36	45	55
			1	2	4	8	15	26	42	64	93	130
				0	2	6	13	25	45	77	126	198
					1	2	6	16	36	72	133	232
						0	3	9	22	50	106
							1	2	9	28	70
								0	4	12	34
									1	2	13
										0	5
											1