A211377 - OEIS

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A211377 as a triangular array

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

A211377 as a square array

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

A211377 as an upper right triangle

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