A131783 - OEIS

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A131783 as a triangular array

									1
								4		2
							8		6		3
						13		11		8		4
					19		17		14		10		5
				26		24		21		17		12		6
			34		32		29		25		20		14		7
		43		41		38		34		29		23		16		8
	53		51		48		44		39		33		26		18		9
64		62		59		55		50		44		37		29		20		10

A131783 as a square array

1	4	8	13	19	26	34	43	53	64
2	6	11	17	24	32	41	51	62
3	8	14	21	29	38	48	59
4	10	17	25	34	44	55
5	12	20	29	39	50
6	14	23	33	44
7	16	26	37
8	18	29
9	20
10

A131783 as an upper right triangle

1	4	8	13	19	26	34	43	53	64
	2	6	11	17	24	32	41	51	62
		3	8	14	21	29	38	48	59
			4	10	17	25	34	44	55
				5	12	20	29	39	50
					6	14	23	33	44
						7	16	26	37
							8	18	29
								9	20
									10

									1
								4		2
							8		6		3
						13		11		8		4
					19		17		14		10		5
				26		24		21		17		12		6
			34		32		29		25		20		14		7
		43		41		38		34		29		23		16		8
	53		51		48		44		39		33		26		18		9
64		62		59		55		50		44		37		29		20		10

1	4	8	13	19	26	34	43	53	64
2	6	11	17	24	32	41	51	62
3	8	14	21	29	38	48	59
4	10	17	25	34	44	55
5	12	20	29	39	50
6	14	23	33	44
7	16	26	37
8	18	29
9	20
10

1	4	8	13	19	26	34	43	53	64
	2	6	11	17	24	32	41	51	62
		3	8	14	21	29	38	48	59
			4	10	17	25	34	44	55
				5	12	20	29	39	50
					6	14	23	33	44
						7	16	26	37
							8	18	29
								9	20
									10

									1
								4		2
							8		6		3
						13		11		8		4
					19		17		14		10		5
				26		24		21		17		12		6
			34		32		29		25		20		14		7
		43		41		38		34		29		23		16		8
	53		51		48		44		39		33		26		18		9
64		62		59		55		50		44		37		29		20		10

1	4	8	13	19	26	34	43	53	64
2	6	11	17	24	32	41	51	62
3	8	14	21	29	38	48	59
4	10	17	25	34	44	55
5	12	20	29	39	50
6	14	23	33	44
7	16	26	37
8	18	29
9	20
10

1	4	8	13	19	26	34	43	53	64
	2	6	11	17	24	32	41	51	62
		3	8	14	21	29	38	48	59
			4	10	17	25	34	44	55
				5	12	20	29	39	50
					6	14	23	33	44
						7	16	26	37
							8	18	29
								9	20
									10

									1
								4		2
							8		6		3
						13		11		8		4
					19		17		14		10		5
				26		24		21		17		12		6
			34		32		29		25		20		14		7
		43		41		38		34		29		23		16		8
	53		51		48		44		39		33		26		18		9
64		62		59		55		50		44		37		29		20		10

1	4	8	13	19	26	34	43	53	64
2	6	11	17	24	32	41	51	62
3	8	14	21	29	38	48	59
4	10	17	25	34	44	55
5	12	20	29	39	50
6	14	23	33	44
7	16	26	37
8	18	29
9	20
10

1	4	8	13	19	26	34	43	53	64
	2	6	11	17	24	32	41	51	62
		3	8	14	21	29	38	48	59
			4	10	17	25	34	44	55
				5	12	20	29	39	50
					6	14	23	33	44
						7	16	26	37
							8	18	29
								9	20
									10