A194075 - OEIS

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A194075 as a triangular array

												1
											4		2
										7		5		3
									13		8		6		10
								19		14		9		16		11
							28		20		15		22		17		12
						37		29		21		31		23		18		25
					49		38		30		40		32		24		34		26
				61		50		39		52		41		33		43		35		27
			76		62		51		64		53		42		55		44		36		46
		91		77		63		79		65		54		67		56		45		58		47
	109		92		78

A194075 as a square array

1	4	7	13	19	28	37	49	61	76	91	109
2	5	8	14	20	29	38	50	62	77	92
3	6	9	15	21	30	39	51	63	78
10	16	22	31	40	52	64	79
11	17	23	32	41	53	65
12	18	24	33	42	54
25	34	43	55	67
26	35	44	56
27	36	45
46	58
47

A194075 as an upper right triangle

1	4	7	13	19	28	37	49	61	76	91	109
	2	5	8	14	20	29	38	50	62	77	92
		3	6	9	15	21	30	39	51	63	78
			10	16	22	31	40	52	64	79
				11	17	23	32	41	53	65
					12	18	24	33	42	54
						25	34	43	55	67
							26	35	44	56
								27	36	45
									46	58
										47