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A300619 as a simple table

na(n)
11
27
3207
414226
51852800
6409408077
7142286748933
873448832515952
953835885818473473
1054041298732304775000
1172129250579997923194091
12124900802377559946754633602
13274851919918333747166200590840
14755158633069275870471471631726803
152551279948230221759814139760682442500

[1,7,207,14226,1852800,409408077,142286748933,
 73448832515952,53835885818473473,
 54041298732304775000,72129250579997923194091,
 124900802377559946754633602,
 274851919918333747166200590840,
 755158633069275870471471631726803,
 2551279948230221759814139760682442500]