A131899 - OEIS

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A131899 as a triangular array

									1
								2		3
							3		2		5
						4		2		3		7
					5		2		3		4		9
				6		2		3		4		5		11
			7		2		3		4		5		6		13
		8		2		3		4		5		6		7		15
	9		2		3		4		5		6		7		8		17
10		2		3		4		5		6		7		8		9		19

A131899 as a square array

1	2	3	4	5	6	7	8	9	10
3	2	2	2	2	2	2	2	2
5	3	3	3	3	3	3	3
7	4	4	4	4	4	4
9	5	5	5	5	5
11	6	6	6	6
13	7	7	7
15	8	8
17	9
19

A131899 as an upper right triangle

1	2	3	4	5	6	7	8	9	10
	3	2	2	2	2	2	2	2	2
		5	3	3	3	3	3	3	3
			7	4	4	4	4	4	4
				9	5	5	5	5	5
					11	6	6	6	6
						13	7	7	7
							15	8	8
								17	9
									19

									1
								2		3
							3		2		5
						4		2		3		7
					5		2		3		4		9
				6		2		3		4		5		11
			7		2		3		4		5		6		13
		8		2		3		4		5		6		7		15
	9		2		3		4		5		6		7		8		17
10		2		3		4		5		6		7		8		9		19

1	2	3	4	5	6	7	8	9	10
3	2	2	2	2	2	2	2	2
5	3	3	3	3	3	3	3
7	4	4	4	4	4	4
9	5	5	5	5	5
11	6	6	6	6
13	7	7	7
15	8	8
17	9
19

1	2	3	4	5	6	7	8	9	10
	3	2	2	2	2	2	2	2	2
		5	3	3	3	3	3	3	3
			7	4	4	4	4	4	4
				9	5	5	5	5	5
					11	6	6	6	6
						13	7	7	7
							15	8	8
								17	9
									19

									1
								2		3
							3		2		5
						4		2		3		7
					5		2		3		4		9
				6		2		3		4		5		11
			7		2		3		4		5		6		13
		8		2		3		4		5		6		7		15
	9		2		3		4		5		6		7		8		17
10		2		3		4		5		6		7		8		9		19

1	2	3	4	5	6	7	8	9	10
3	2	2	2	2	2	2	2	2
5	3	3	3	3	3	3	3
7	4	4	4	4	4	4
9	5	5	5	5	5
11	6	6	6	6
13	7	7	7
15	8	8
17	9
19

1	2	3	4	5	6	7	8	9	10
	3	2	2	2	2	2	2	2	2
		5	3	3	3	3	3	3	3
			7	4	4	4	4	4	4
				9	5	5	5	5	5
					11	6	6	6	6
						13	7	7	7
							15	8	8
								17	9
									19

									1
								2		3
							3		2		5
						4		2		3		7
					5		2		3		4		9
				6		2		3		4		5		11
			7		2		3		4		5		6		13
		8		2		3		4		5		6		7		15
	9		2		3		4		5		6		7		8		17
10		2		3		4		5		6		7		8		9		19

1	2	3	4	5	6	7	8	9	10
3	2	2	2	2	2	2	2	2
5	3	3	3	3	3	3	3
7	4	4	4	4	4	4
9	5	5	5	5	5
11	6	6	6	6
13	7	7	7
15	8	8
17	9
19

1	2	3	4	5	6	7	8	9	10
	3	2	2	2	2	2	2	2	2
		5	3	3	3	3	3	3	3
			7	4	4	4	4	4	4
				9	5	5	5	5	5
					11	6	6	6	6
						13	7	7	7
							15	8	8
								17	9
									19