A191441 - OEIS

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A191441 as a triangular array

											1
										4		2
									12		7		3
								31		19		9		5
							77		48		24		14		6
						188		118		60		36		16		8
					456		287		147		89		41		21		10
				1103		695		357		217		101		53		26		11
			2665		1680		864		526		246		130		65		28		13
		6436		4058		2088		1272		596		316		159		70		33		15
	15540		9799		5043

A191441 as a square array

1	4	12	31	77	188	456	1103	2665	6436	15540
2	7	19	48	118	287	695	1680	4058	9799
3	9	24	60	147	357	864	2088	5043
5	14	36	89	217	526	1272
6	16	41	101	246	596
8	21	53	130	316
10	26	65	159
11	28	70
13	33
15

A191441 as an upper right triangle

1	4	12	31	77	188	456	1103	2665	6436	15540
	2	7	19	48	118	287	695	1680	4058	9799
		3	9	24	60	147	357	864	2088	5043
			5	14	36	89	217	526	1272
				6	16	41	101	246	596
					8	21	53	130	316
						10	26	65	159
							11	28	70
								13	33
									15