A335680 - OEIS

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A335680 as a triangular array

												2
											3		3
										4		5		4
									5		8		8		5
								6		12		13		12		6
							7		17		21		21		17		7
						8		23		30		35		30		23		8
					9		30		42		51		51		42		30		9
				10		38		55		73		75		73		55		38		10
			11		47		71		96		109		109		96		71		47		11
		12		57		88		125		143		159		143		125		88		57		12
	13		68		108		156		187		209		209		187		156		108		68		13

A335680 as a square array

2	3	4	5	6	7	8	9	10	11	12	13
3	5	8	12	17	23	30	38	47	57	68
4	8	13	21	30	42	55	71	88	108
5	12	21	35	51	73	96	125	156
6	17	30	51	75	109	143	187
7	23	42	73	109	159	209
8	30	55	96	143	209
9	38	71	125	187
10	47	88	156
11	57	108
12	68
13

A335680 as an upper right triangle

2	3	4	5	6	7	8	9	10	11	12	13
	3	5	8	12	17	23	30	38	47	57	68
		4	8	13	21	30	42	55	71	88	108
			5	12	21	35	51	73	96	125	156
				6	17	30	51	75	109	143	187
					7	23	42	73	109	159	209
						8	30	55	96	143	209
							9	38	71	125	187
								10	47	88	156
									11	57	108
										12	68
											13