A323953 - OEIS

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A323953 as a triangular array

											1
										2		1
									5		2		1
								12		6		2		1
							27		12		7		2		1
						58		23		14		8		2		1
					121		44		23		16		9		2		1
				248		82		38		26		18		10		2		1
			503		149		65		38		29		20		11		2		1
		1014		267		112		57		42		32		22		12		2		1
	2037		475		189		90		57		46		35		24		13		2		1

A323953 as a square array

1	2	5	12	27	58	121	248	503	1014	2037
1	2	6	12	23	44	82	149	267	475
1	2	7	14	23	38	65	112	189
1	2	8	16	26	38	57	90
1	2	9	18	29	42	57
1	2	10	20	32	46
1	2	11	22	35
1	2	12	24
1	2	13
1	2
1

A323953 as an upper right triangle

1	2	5	12	27	58	121	248	503	1014	2037
	1	2	6	12	23	44	82	149	267	475
		1	2	7	14	23	38	65	112	189
			1	2	8	16	26	38	57	90
				1	2	9	18	29	42	57
					1	2	10	20	32	46
						1	2	11	22	35
							1	2	12	24
								1	2	13
									1	2
										1