A198715 - OEIS

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A198715 as a triangular array

									1
								1		1
							2		4		2
						5		25		25		5
					14		172		401		172		14
				41		1201		6548		6548		1201		41
			122		8404		107042		250031		107042		8404		122
		365		58825		1749965		9548295		9548295		1749965		58825		365
	1094		411772		28609241		364637102		851787199		364637102

A198715 as a square array

1	1	2	5	14	41	122	365	1094
1	4	25	172	1201	8404	58825	411772
2	25	401	6548	107042	1749965	28609241
5	172	6548	250031	9548295	364637102
14	1201	107042	9548295	851787199
41	8404	1749965	364637102
122	58825
365

A198715 as an upper right triangle

1	1	2	5	14	41	122	365	1094
	1	4	25	172	1201	8404	58825	411772
		2	25	401	6548	107042	1749965	28609241
			5	172	6548	250031	9548295	364637102
				14	1201	107042	9548295	851787199
					41	8404	1749965	364637102
						122	58825
							365