A077348 - OEIS

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A077348 as a triangular array

											1
										5		15
									6		18		19
								2		7		20		21
							23		24		71		72		73
						8		25		26		78		79		80
					27		28		84		85		86		87		88
				9		29		90		91		92		93		94		283
			3		30		31		95		96		97		98		99		300
		10		32		33		100		101		102		103		104		317		318
	34		105		106		107		108		109		332		333		334		335		336

A077348 as a square array

1	5	6	2	23	8	27	9	3	10	34
15	18	7	24	25	28	29	30	32	105
19	20	71	26	84	90	31	33	106
21	72	78	85	91	95	100	107
73	79	86	92	96	101	108
80	87	93	97	102	109
88	94	98	103	332
283	99	104	333
300	317	334
318	335
336

A077348 as an upper right triangle

1	5	6	2	23	8	27	9	3	10	34
	15	18	7	24	25	28	29	30	32	105
		19	20	71	26	84	90	31	33	106
			21	72	78	85	91	95	100	107
				73	79	86	92	96	101	108
					80	87	93	97	102	109
						88	94	98	103	332
							283	99	104	333
								300	317	334
									318	335
										336