A182872 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A182872 as a triangular array

											1
										4		2
									16		20		3
								25		29		24		5
							31		45		33		26		6
						40		55		52		43		27		7
					51		71		63		59		49		28		8
				57		83		79		78		65		50		30		9
			66		97		92		95		84		68		53		32		10
		76		111		108		113		104		87		75		54		34		11
	81		123		122		131		120		105		93		77		56

A182872 as a square array

1	4	16	25	31	40	51	57	66	76	81
2	20	29	45	55	71	83	97	111	123
3	24	33	52	63	79	92	108	122
5	26	43	59	78	95	113	131
6	27	49	65	84	104	120
7	28	50	68	87	105
8	30	53	75	93
9	32	54	77
10	34	56
11

A182872 as an upper right triangle

1	4	16	25	31	40	51	57	66	76	81
	2	20	29	45	55	71	83	97	111	123
		3	24	33	52	63	79	92	108	122
			5	26	43	59	78	95	113	131
				6	27	49	65	84	104	120
					7	28	50	68	87	105
						8	30	53	75	93
							9	32	54	77
								10	34	56
									11