A101174 - OEIS

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A101174 as a triangular array

												2
											3		4
										1		5		6
									7		8		9		10
								11		12		13		14		16
							15		17		18		19		20		21
						22		23		24		25		26		27		28
					29		30		31		32		33		34		35		36
				37		38		39		40		41		42		43		45		48
			44		46		47		49		50		51		52		53		54		55
		56		57		58		59		60		61		62		63		64		65		66
	67		68		69		70		71		72

A101174 as a square array

2	3	1	7	11	15	22	29	37	44	56	67
4	5	8	12	17	23	30	38	46	57	68
6	9	13	18	24	31	39	47	58	69
10	14	19	25	32	40	49	59	70
16	20	26	33	41	50	60	71
21	27	34	42	51	61	72
28	35	43	52	62
36	45	53	63
48	54	64
55	65
66

A101174 as an upper right triangle

2	3	1	7	11	15	22	29	37	44	56	67
	4	5	8	12	17	23	30	38	46	57	68
		6	9	13	18	24	31	39	47	58	69
			10	14	19	25	32	40	49	59	70
				16	20	26	33	41	50	60	71
					21	27	34	42	51	61	72
						28	35	43	52	62
							36	45	53	63
								48	54	64
									55	65
										66