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A136300 as a simple table

na(n)
11
20
31
45
576
61624
752116
82298708
9133929216
109961180416
11921248743680
12103715841415680
1313967643016085760
142217449301162071040
15409861043056032503040
1687262626872384643052800
1721202798521768886355558400
185831660090586059239329792000
191802587564536011525042697830400

[1,0,1,5,76,1624,52116,2298708,133929216,
 9961180416,921248743680,103715841415680,
 13967643016085760,2217449301162071040,
 409861043056032503040,87262626872384643052800,
 21202798521768886355558400,
 5831660090586059239329792000,
 1802587564536011525042697830400]