A261319 - OEIS

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A261319 as a triangular array

									1
								0		0
							0		1		2
						0		0		3		4
					0		1		11		19		20
				0		0		30		80		95		96
			0		1		92		372		527		551		552
		0		0		273		1764		3129		3500		3535		3536
	0		1		821		8549		19595		24299		25055		25103		25104

A261319 as a square array

1	0	0	0	0	0	0	0	0
0	1	0	1	0	1	0	1
2	3	11	30	92	273	821
4	19	80	372	1764	8549
20	95	527	3129	19595
96	551	3500	24299
552	3535	25055
3536	25103
25104

A261319 as an upper right triangle

1	0	0	0	0	0	0	0	0
	0	1	0	1	0	1	0	1
		2	3	11	30	92	273	821
			4	19	80	372	1764	8549
				20	95	527	3129	19595
					96	551	3500	24299
						552	3535	25055
							3536	25103
								25104