A219142 - OEIS

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A219142 as a triangular array

										1
									2		1
								4		6		1
							7		18		18		1
						12		39		78		51		1
					21		96		281		331		142		1
				37		225		1072		1774		1400		405		1
			65		543		4033		10505		11385		5949		1157		1
		114		1293		15255		59127		101600		73136		25277		3289		1
	200		3096		57963		341648		872437		989947

A219142 as a square array

1	2	4	7	12	21	37	65	114	200
1	6	18	39	96	225	543	1293	3096
1	18	78	281	1072	4033	15255	57963
1	51	331	1774	10505	59127	341648
1	142	1400	11385	101600	872437
1	405	5949	73136	989947
1	1157	25277
1	3289
1

A219142 as an upper right triangle

1	2	4	7	12	21	37	65	114	200
	1	6	18	39	96	225	543	1293	3096
		1	18	78	281	1072	4033	15255	57963
			1	51	331	1774	10505	59127	341648
				1	142	1400	11385	101600	872437
					1	405	5949	73136	989947
						1	1157	25277
							1	3289
								1