A240223 - OEIS

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A240223 as a triangular array

											2
										5		2
									8		11		2
								11		20		29		2
							14		29		56		83		2
						17		38		83		164		245		2
					20		47		110		245		488		731		2
				23		56		137		326		731		1460		2189		2
			26		65		164		407		974		2189		4376		6563		2
		29		74		191		488		1217		2918		6563		13124		19685		2
	32		83		218		569		1460		3647		8750		19685		39368		59051		2

A240223 as a square array

2	5	8	11	14	17	20	23	26	29	32
2	11	20	29	38	47	56	65	74	83
2	29	56	83	110	137	164	191	218
2	83	164	245	326	407	488	569
2	245	488	731	974	1217	1460
2	731	1460	2189	2918	3647
2	2189	4376	6563	8750
2	6563	13124	19685
2	19685	39368
2	59051
2

A240223 as an upper right triangle

2	5	8	11	14	17	20	23	26	29	32
	2	11	20	29	38	47	56	65	74	83
		2	29	56	83	110	137	164	191	218
			2	83	164	245	326	407	488	569
				2	245	488	731	974	1217	1460
					2	731	1460	2189	2918	3647
						2	2189	4376	6563	8750
							2	6563	13124	19685
								2	19685	39368
									2	59051
										2