A193920 - OEIS

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A193920 as a triangular array

											1
										1		1
									2		3		1
								4		9		7		2
							7		21		25		14		3
						12		46		75		64		28		5
					20		94		195		224		148		53		8
				33		185		468		679		603		326		99		13
			54		353		1056		1855		2073		1502		687		181		21
		88		659		2280		4711		6357		5786		3543		1405		327		34
	143		1209		4755

A193920 as a square array

1	1	2	4	7	12	20	33	54	88	143
1	3	9	21	46	94	185	353	659	1209
1	7	25	75	195	468	1056	2280	4755
2	14	64	224	679	1855	4711
3	28	148	603	2073	6357
5	53	326	1502	5786
8	99	687	3543
13	181	1405
21	327
34

A193920 as an upper right triangle

1	1	2	4	7	12	20	33	54	88	143
	1	3	9	21	46	94	185	353	659	1209
		1	7	25	75	195	468	1056	2280	4755
			2	14	64	224	679	1855	4711
				3	28	148	603	2073	6357
					5	53	326	1502	5786
						8	99	687	3543
							13	181	1405
								21	327
									34