A259481 - OEIS

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

A259481 as a triangular array

																0
															1		0
														2		0		0
													3		0		0		0
												4		1		0		0		0
											5		2		0		0		0		0
										6		3		2		0		0		0		0
									7		4		4		0		0		0		0		0
								8		5		6		3		0		0		0		0		0
							9		6		8		6		1		0		0		0		0		0
						10		7		10		9		6		0		0		0		0		0		0
					11		8		12		12		11		2		0		0		0		0		0		0
				12		9		14		15		16		9		2		0		0		0		0		0		0
			13		10		16		18		21		16		7		0		0		0		0		0		0		0
		14		11		18		21		26		23		18		4		0		0		0		0		0		0		0
	15		12		20		24		31		30		29		12		3		0		0		0		0		0		0		0

A259481 as a square array

0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
0	0	0	1	2	3	4	5	6	7	8	9	10	11	12
0	0	0	0	2	4	6	8	10	12	14	16	18	20
0	0	0	0	0	3	6	9	12	15	18	21	24
0	0	0	0	0	1	6	11	16	21	26	31
0	0	0	0	0	0	2	9	16	23	30
0	0	0	0	0	0	2	7	18	29
0	0	0	0	0	0	0	4	12
0	0	0	0	0	0	0	3
0	0	0	0	0	0	0
0	0	0	0	0	0
0	0	0	0	0
0	0	0	0
0	0	0
0	0
0

A259481 as an upper right triangle

0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
	0	0	0	1	2	3	4	5	6	7	8	9	10	11	12
		0	0	0	0	2	4	6	8	10	12	14	16	18	20
			0	0	0	0	0	3	6	9	12	15	18	21	24
				0	0	0	0	0	1	6	11	16	21	26	31
					0	0	0	0	0	0	2	9	16	23	30
						0	0	0	0	0	0	2	7	18	29
							0	0	0	0	0	0	0	4	12
								0	0	0	0	0	0	0	3
									0	0	0	0	0	0	0
										0	0	0	0	0	0
											0	0	0	0	0
												0	0	0	0
													0	0	0
														0	0
															0