A172171 - OEIS

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A172171 as a triangular array

									1
								1		10
							1		11		19
						1		12		30		28
					1		13		42		58		37
				1		14		55		100		95		46
			1		15		69		155		195		141		55
		1		16		84		224		350		336		196		64
	1		17		100		308		574		686		532		260		73
1		18		117		408		882		1260		1218		792		333		82

A172171 as a square array

1	1	1	1	1	1	1	1	1	1
10	11	12	13	14	15	16	17	18
19	30	42	55	69	84	100	117
28	58	100	155	224	308	408
37	95	195	350	574	882
46	141	336	686	1260
55	196	532	1218
64	260	792
73	333
82

A172171 as an upper right triangle

1	1	1	1	1	1	1	1	1	1
	10	11	12	13	14	15	16	17	18
		19	30	42	55	69	84	100	117
			28	58	100	155	224	308	408
				37	95	195	350	574	882
					46	141	336	686	1260
						55	196	532	1218
							64	260	792
								73	333
									82