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A203711 as a simple table

na(n)
15411
2367895
323213355
41162808408
548020026044
61693919110707
752384282627294
81447474014038818
936259245337543775
10832882956832999612
1117705769480997207870
12351009141968630021172
136530844991310876142574

[5411,367895,23213355,1162808408,48020026044,
 1693919110707,52384282627294,1447474014038818,
 36259245337543775,832882956832999612,
 17705769480997207870,351009141968630021172,
 6530844991310876142574]