A393905 - OEIS

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

A393905 as a triangular array

												1
											3		2
										6		4		3
									11		6		5		4
								17		9		7		6		5
							25		13		10		8		7		6
						34		18		13		10		9		8		7
					44		23		16		13		11		10		9		8
				55		29		20		16		14		12		11		10		9
			72		36		25		20		16		14		13		12		11		10
		85		44		30		23		20		17		15		14		13		12		11
	106		53		35		28		23		20		18		16		15		14		13		12

A393905 as a square array

1	3	6	11	17	25	34	44	55	72	85	106
2	4	6	9	13	18	23	29	36	44	53
3	5	7	10	13	16	20	25	30	35
4	6	8	10	13	16	20	23	28
5	7	9	11	14	16	20	23
6	8	10	12	14	17	20
7	9	11	13	15	18
8	10	12	14	16
9	11	13	15
10	12	14
11	13
12

A393905 as an upper right triangle

1	3	6	11	17	25	34	44	55	72	85	106
	2	4	6	9	13	18	23	29	36	44	53
		3	5	7	10	13	16	20	25	30	35
			4	6	8	10	13	16	20	23	28
				5	7	9	11	14	16	20	23
					6	8	10	12	14	17	20
						7	9	11	13	15	18
							8	10	12	14	16
								9	11	13	15
									10	12	14
										11	13
											12