A219451 - 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

A219451 as a triangular array

										1
									2		2
								4		2		4
							7		4		4		7
						12		7		16		7		12
					21		12		43		43		12		21
				37		21		122		169		122		21		37
			65		37		345		665		665		345		37		65
		114		65		979		2603		3808		2603		979		65		114
	200		114		2791		10421		21219		21219		10421		2791		114		200
351		200		7936		41777		121107

A219451 as a square array

1	2	4	7	12	21	37	65	114	200	351
2	2	4	7	12	21	37	65	114	200
4	4	16	43	122	345	979	2791	7936
7	7	43	169	665	2603	10421	41777
12	12	122	665	3808	21219	121107
21	21	345	2603	21219
37	37	979	10421
65	65	2791
114	114
200

A219451 as an upper right triangle

1	2	4	7	12	21	37	65	114	200	351
	2	2	4	7	12	21	37	65	114	200
		4	4	16	43	122	345	979	2791	7936
			7	7	43	169	665	2603	10421	41777
				12	12	122	665	3808	21219	121107
					21	21	345	2603	21219
						37	37	979	10421
							65	65	2791
								114	114
									200