A101321 - OEIS

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A101321 as a triangular array

													1
												1		1
											1		2		1
										1		4		3		1
									1		7		7		4		1
								1		11		13		10		5		1
							1		16		21		19		13		6		1
						1		22		31		31		25		16		7		1
					1		29		43		46		41		31		19		8		1
				1		37		57		64		61		51		37		22		9		1
			1		46		73		85		85		76		61		43		25		10		1
		1		56		91		109		113		106		91		71		49		28		11		1
	1		67

A101321 as a square array

1	1	1	1	1	1	1	1	1	1	1	1	1
1	2	4	7	11	16	22	29	37	46	56	67
1	3	7	13	21	31	43	57	73	91
1	4	10	19	31	46	64	85	109
1	5	13	25	41	61	85	113
1	6	16	31	51	76	106
1	7	19	37	61	91
1	8	22	43	71
1	9	25	49
1	10	28
1	11
1

A101321 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1	1
	1	2	4	7	11	16	22	29	37	46	56	67
		1	3	7	13	21	31	43	57	73	91
			1	4	10	19	31	46	64	85	109
				1	5	13	25	41	61	85	113
					1	6	16	31	51	76	106
						1	7	19	37	61	91
							1	8	22	43	71
								1	9	25	49
									1	10	28
										1	11
											1