A143121 - OEIS

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A143121 as a triangular array

											2
										5		3
									10		8		5
								17		15		12		7
							28		26		23		18		11
						41		39		36		31		24		13
					58		56		53		48		41		30		17
				77		75		72		67		60		49		36		19
			100		98		95		90		83		72		59		42		23
		129		127		124		119		112		101		88		71		52		29
	160		158		155		150		143		132		119		102		83		60		31

A143121 as a square array

2	5	10	17	28	41	58	77	100	129	160
3	8	15	26	39	56	75	98	127	158
5	12	23	36	53	72	95	124	155
7	18	31	48	67	90	119	150
11	24	41	60	83	112	143
13	30	49	72	101	132
17	36	59	88	119
19	42	71	102
23	52	83
29	60
31

A143121 as an upper right triangle

2	5	10	17	28	41	58	77	100	129	160
	3	8	15	26	39	56	75	98	127	158
		5	12	23	36	53	72	95	124	155
			7	18	31	48	67	90	119	150
				11	24	41	60	83	112	143
					13	30	49	72	101	132
						17	36	59	88	119
							19	42	71	102
								23	52	83
									29	60
										31