A194064 - OEIS

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A194064 as a triangular array

											1
										4		2
									8		5		3
								14		9		6		7
							21		15		10		11		12
						30		22		16		17		18		13
					40		31		23		24		25		19		20
				52		41		32		33		34		26		27		28
			65		53		42		43		44		35		36		37		29
		80		66		54		55		56		45		46		47		38		39
	96		81		67		68		69		57		58		59		48		49		50

A194064 as a square array

1	4	8	14	21	30	40	52	65	80	96
2	5	9	15	22	31	41	53	66	81
3	6	10	16	23	32	42	54	67
7	11	17	24	33	43	55	68
12	18	25	34	44	56	69
13	19	26	35	45	57
20	27	36	46	58
28	37	47	59
29	38	48
39	49
50

A194064 as an upper right triangle

1	4	8	14	21	30	40	52	65	80	96
	2	5	9	15	22	31	41	53	66	81
		3	6	10	16	23	32	42	54	67
			7	11	17	24	33	43	55	68
				12	18	25	34	44	56	69
					13	19	26	35	45	57
						20	27	36	46	58
							28	37	47	59
								29	38	48
									39	49
										50