A278910 - OEIS

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A278910 as a triangular array

											0
										1		1
									2		3		2
								3		5		9		3
							4		7		20		25		4
						5		9		35		83		65		5
					6		11		54		195		326		161		6
				7		13		77		379		1027		1217		385		7
			8		15		104		653		2504		5123		4376		897		8
		9		17		135		1035		5189		15629		24579		15311		2049		9
	10		19		170		1543		9610		38885		93754		114691		52490		4609		10

A278910 as a square array

0	1	2	3	4	5	6	7	8	9	10
1	3	5	7	9	11	13	15	17	19
2	9	20	35	54	77	104	135	170
3	25	83	195	379	653	1035	1543
4	65	326	1027	2504	5189	9610
5	161	1217	5123	15629	38885
6	385	4376	24579	93754
7	897	15311	114691
8	2049	52490
9	4609
10

A278910 as an upper right triangle

0	1	2	3	4	5	6	7	8	9	10
	1	3	5	7	9	11	13	15	17	19
		2	9	20	35	54	77	104	135	170
			3	25	83	195	379	653	1035	1543
				4	65	326	1027	2504	5189	9610
					5	161	1217	5123	15629	38885
						6	385	4376	24579	93754
							7	897	15311	114691
								8	2049	52490
									9	4609
										10