A046741 - OEIS

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A046741 as a triangular array

											1
										1		1
									1		4		2
								1		7		11		3
							1		10		29		26		5
						1		13		56		94		56		8
					1		16		92		234		263		114		13
				1		19		137		473		815		667		223		21
			1		22		191		838		1982		2504		1577		424		34
		1		25		254		1356		4115		7191		7018		3538		789		55
	1		28		326		2054		7646		17266		23431

A046741 as a square array

1	1	1	1	1	1	1	1	1	1	1
1	4	7	10	13	16	19	22	25	28
2	11	29	56	92	137	191	254	326
3	26	94	234	473	838	1356	2054
5	56	263	815	1982	4115	7646
8	114	667	2504	7191	17266
13	223	1577	7018	23431
21	424	3538
34	789
55

A046741 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	1	4	7	10	13	16	19	22	25	28
		2	11	29	56	92	137	191	254	326
			3	26	94	234	473	838	1356	2054
				5	56	263	815	1982	4115	7646
					8	114	667	2504	7191	17266
						13	223	1577	7018	23431
							21	424	3538
								34	789
									55