A144025 - OEIS

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

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A144025 as a triangular array

										1
									1		1
								2		1		2
							4		2		2		5
						9		4		4		5		13
					21		9		8		10		13		35
				51		21		18		20		26		35		96
			127		51		42		45		52		70		96		267
		323		127		102		105		117		140		192		267		750
	835		323		254		255		273		315		384		534		720		2123
2188		835		646		635		663		735		864		1068

A144025 as a square array

1	1	2	4	9	21	51	127	323	835	2188
1	1	2	4	9	21	51	127	323	835
2	2	4	8	18	42	102	254	646
5	5	10	20	45	105	255	635
13	13	26	52	117	273	663
35	35	70	140	315	735
96	96	192	384	864
267	267	534	1068
750	720
2123

A144025 as an upper right triangle

1	1	2	4	9	21	51	127	323	835	2188
	1	1	2	4	9	21	51	127	323	835
		2	2	4	8	18	42	102	254	646
			5	5	10	20	45	105	255	635
				13	13	26	52	117	273	663
					35	35	70	140	315	735
						96	96	192	384	864
							267	267	534	1068
								750	720
									2123