A143445 - OEIS

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A143445 as a triangular array

												1
											1		2
										1		0		5
									1		2		0		7
								1		0		0		0		12
							1		2		5		0		0		15
						1		0		0		0		0		0		22
					1		2		0		7		0		0		0		26
				1		0		5		0		0		0		0		0		35
			1		2		0		0		12		0		0		0		0		40
		1		0		0		0		0		0		0		0		0		0		51
	1		2		5		7		0		15		0		0		0		0		0		57

A143445 as a square array

1	1	1	1	1	1	1	1	1	1	1	1
2	0	2	0	2	0	2	0	2	0	2
5	0	0	5	0	0	5	0	0	5
7	0	0	0	7	0	0	0	7
12	0	0	0	0	12	0	0
15	0	0	0	0	0	15
22	0	0	0	0	0
26	0	0	0	0
35	0	0	0
40	0	0
51	0
57

A143445 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1
	2	0	2	0	2	0	2	0	2	0	2
		5	0	0	5	0	0	5	0	0	5
			7	0	0	0	7	0	0	0	7
				12	0	0	0	0	12	0	0
					15	0	0	0	0	0	15
						22	0	0	0	0	0
							26	0	0	0	0
								35	0	0	0
									40	0	0
										51	0
											57