A347221 - OEIS

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

A347221 as a triangular array

											1
										1		4
									1		4		10
								1		4		10		19
							1		4		10		20		31
						1		4		10		20		32		46
					1		4		10		20		35		47		64
				1		4		10		20		35		50		65		85
			1		4		10		20		35		53		68		86		109
		1		4		10		20		35		56		71		89		110		136
	1		4		10		20		35		56		77		92		113		137		166

A347221 as a square array

1	1	1	1	1	1	1	1	1	1	1
4	4	4	4	4	4	4	4	4	4
10	10	10	10	10	10	10	10	10
19	20	20	20	20	20	20	20
31	32	35	35	35	35	35
46	47	50	53	56	56
64	65	68	71	77
85	86	89	92
109	110	113
136	137
166

A347221 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	4	4	4	4	4	4	4	4	4	4
		10	10	10	10	10	10	10	10	10
			19	20	20	20	20	20	20	20
				31	32	35	35	35	35	35
					46	47	50	53	56	56
						64	65	68	71	77
							85	86	89	92
								109	110	113
									136	137
										166