A100229 - OEIS

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A100229 as a triangular array

										1
									1		2
								1		4		10
							1		6		21		35
						1		8		36		92		118
					1		10		55		185		380		392
				1		12		78		322		879		1506		1297
			1		14		105		511		1715		3948		5803		4286
		1		16		136		760		3004		8536		17020		21904		14158
	1		18		171		1077		4878		16344		40395		71109		81387		46763

A100229 as a square array

1	1	1	1	1	1	1	1	1	1
2	4	6	8	10	12	14	16	18
10	21	36	55	78	105	136	171
35	92	185	322	511	760	1077
118	380	879	1715	3004	4878
392	1506	3948	8536	16344
1297	5803	17020	40395
4286	21904	71109
14158	81387
46763

A100229 as an upper right triangle

1	1	1	1	1	1	1	1	1	1
	2	4	6	8	10	12	14	16	18
		10	21	36	55	78	105	136	171
			35	92	185	322	511	760	1077
				118	380	879	1715	3004	4878
					392	1506	3948	8536	16344
						1297	5803	17020	40395
							4286	21904	71109
								14158	81387
									46763