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A174494 as a simple table

na(n)
11
24
328
4274
53400
650734
7880312
817357736
9382463824
109298086490
11246914949376
127104423326356
13220000621675912
147290852811359654
15257332393857067720
169632914084301343304
17381050245422453157408

[1,4,28,274,3400,50734,880312,17357736,382463824,
 9298086490,246914949376,7104423326356,
 220000621675912,7290852811359654,
 257332393857067720,9632914084301343304,
 381050245422453157408]