A204158 - OEIS

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A204158 as a triangular array

												1
											4		4
										7		2		7
									10		5		5		10
								13		8		3		8		13
							16		11		6		6		11		16
						19		14		9		4		9		14		19
					22		17		12		7		7		12		17		22
				25		20		15		10		5		10		15		20		25
			28		23		18		13		8		8		13		18		23		28
		31		26		21		16		11		6		11		16		21		26		31
	34		29		24		19		14		9		9		14

A204158 as a square array

1	4	7	10	13	16	19	22	25	28	31	34
4	2	5	8	11	14	17	20	23	26	29
7	5	3	6	9	12	15	18	21	24
10	8	6	4	7	10	13	16	19
13	11	9	7	5	8	11	14
16	14	12	10	8	6	9
19	17	15	13	11	9
22	20	18	16	14
25	23	21
28	26
31

A204158 as an upper right triangle

1	4	7	10	13	16	19	22	25	28	31	34
	4	2	5	8	11	14	17	20	23	26	29
		7	5	3	6	9	12	15	18	21	24
			10	8	6	4	7	10	13	16	19
				13	11	9	7	5	8	11	14
					16	14	12	10	8	6	9
						19	17	15	13	11	9
							22	20	18	16	14
								25	23	21
									28	26
										31