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A054745 as a simple table

na(n)
01
11
27
374
41474
541876
61540696
768343112
83540691525
9209612916303
1013957423192794
111032436318269648
1283993175608894096
137453446303042245261
14716451740543945788671
1574159075140708644544128
168223831291824019614386868
17972718473204236819072891710

[1,1,7,74,1474,41876,1540696,68343112,3540691525,
 209612916303,13957423192794,1032436318269648,
 83993175608894096,7453446303042245261,
 716451740543945788671,74159075140708644544128,
 8223831291824019614386868,
 972718473204236819072891710]