A275204 - OEIS

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

A275204 as a triangular array

													1
												1		1
											1		3		1
										1		4		5		1
									1		6		8		7		1
								1		7		15		12		9		1
							1		9		22		25		16		11		1
						1		10		31		43		35		20		13		1
					1		12		41		68		65		45		24		15		1
				1		13		54		99		113		87		55		28		17		1
			1		15		66		143		178		159		109		65		32		19		1
		1		16		82		193		273		267		205		131		75		36		21		1
	1		18		98		258		398		430		357		251		153		85		40		23		1

A275204 as a square array

1	1	1	1	1	1	1	1	1	1	1	1	1
1	3	4	6	7	9	10	12	13	15	16	18
1	5	8	15	22	31	41	54	66	82	98
1	7	12	25	43	68	99	143	193	258
1	9	16	35	65	113	178	273	398
1	11	20	45	87	159	267	430
1	13	24	55	109	205	357
1	15	28	65	131	251
1	17	32	75	153
1	19	36	85
1	21	40
1	23
1

A275204 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1	1
	1	3	4	6	7	9	10	12	13	15	16	18
		1	5	8	15	22	31	41	54	66	82	98
			1	7	12	25	43	68	99	143	193	258
				1	9	16	35	65	113	178	273	398
					1	11	20	45	87	159	267	430
						1	13	24	55	109	205	357
							1	15	28	65	131	251
								1	17	32	75	153
									1	19	36	85
										1	21	40
											1	23
												1