A163907 - OEIS

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A163907 as a triangular array

												0
											1		2
										9		3		14
									10		11		12		15
								16		8		4		13		47
							18		19		6		7		45		44
						20		17		27		5		39		46		40
					21		22		25		26		37		38		41		42
				149		23		30		24		58		36		33		43		234
			150		151		29		28		56		57		34		35		232		235
		152		148		157		31		54		59		49		32		236		233		227
	154

A163907 as a square array

0	1	9	10	16	18	20	21	149	150	152	154
2	3	11	8	19	17	22	23	151	148
14	12	4	6	27	25	30	29	157
15	13	7	5	26	24	28	31
47	45	39	37	58	56	54
44	46	38	36	57	59
40	41	33	34	49
42	43	35	32
234	232	236
235	233
227

A163907 as an upper right triangle

0	1	9	10	16	18	20	21	149	150	152	154
	2	3	11	8	19	17	22	23	151	148
		14	12	4	6	27	25	30	29	157
			15	13	7	5	26	24	28	31
				47	45	39	37	58	56	54
					44	46	38	36	57	59
						40	41	33	34	49
							42	43	35	32
								234	232	236
									235	233
										227