A201888 - OEIS

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A201888 as a triangular array

									0
								1		1
							1		9		1
						5		63		63		5
					1		413		765		413		1
				23		3293		26003		26003		3293		23
			25		25123		559115		2171313		559115		25123		25
		97		196811		16513425		184247585		184247585		16513425		196811		97
	155		1610765		435630965		16910703303

A201888 as a square array

0	1	1	5	1	23	25	97	155
1	9	63	413	3293	25123	196811	1610765
1	63	765	26003	559115	16513425	435630965
5	413	26003	2171313	184247585	16910703303
1	3293	559115	184247585
23	25123	16513425
25	196811
97

A201888 as an upper right triangle

0	1	1	5	1	23	25	97	155
	1	9	63	413	3293	25123	196811	1610765
		1	63	765	26003	559115	16513425	435630965
			5	413	26003	2171313	184247585	16910703303
				1	3293	559115	184247585
					23	25123	16513425
						25	196811
							97