A195108 - OEIS

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A195108 as a triangular array

												1
											2		3
										5		6		4
									8		10		7		9
								13		15		11		14		12
							19		21		17		20		18		16
						26		28		23		27		24		22		25
					34		36		30		35		32		29		33		31
				43		45		39		44		41		37		42		40		38
			53		55		49		54		51		47		52		50		48		46
		64		66		59		65		62		57		63		61		58		56		60
	76		78		71

A195108 as a square array

1	2	5	8	13	19	26	34	43	53	64	76
3	6	10	15	21	28	36	45	55	66	78
4	7	11	17	23	30	39	49	59	71
9	14	20	27	35	44	54	65
12	18	24	32	41	51	62
16	22	29	37	47	57
25	33	42	52	63
31	40	50	61
38	48	58
46	56
60

A195108 as an upper right triangle

1	2	5	8	13	19	26	34	43	53	64	76
	3	6	10	15	21	28	36	45	55	66	78
		4	7	11	17	23	30	39	49	59	71
			9	14	20	27	35	44	54	65
				12	18	24	32	41	51	62
					16	22	29	37	47	57
						25	33	42	52	63
							31	40	50	61
								38	48	58
									46	56
										60