A191434 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A191434 as a triangular array

											1
										4		2
									11		6		3
								30		17		9		5
							80		46		25		14		7
						210		121		66		38		19		8
					551		318		174		100		51		22		10
				1444		834		457		263		135		59		27		12
			3781		2184		1197		690		354		155		72		32		13
		9900		5719		3135		1807		928		407		189		85		35		15
	25920		14974

A191434 as a square array

1	4	11	30	80	210	551	1444	3781	9900	25920
2	6	17	46	121	318	834	2184	5719	14974
3	9	25	66	174	457	1197	3135
5	14	38	100	263	690	1807
7	19	51	135	354	928
8	22	59	155	407
10	27	72	189
12	32	85
13	35
15

A191434 as an upper right triangle

1	4	11	30	80	210	551	1444	3781	9900	25920
	2	6	17	46	121	318	834	2184	5719	14974
		3	9	25	66	174	457	1197	3135
			5	14	38	100	263	690	1807
				7	19	51	135	354	928
					8	22	59	155	407
						10	27	72	189
							12	32	85
								13	35
									15