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A271440 as a simple table

na(n)
12
27
356
4743
530746
6773527
749783736
81837403019
9160181560802
1029532404308019
111666577516860962
12360777399719461393
1345691067858241526814
143477439299142731351087
15518913689466371066697746
16147680787468230866751370317
1743490064769447225534580532962

[2,7,56,743,30746,773527,49783736,1837403019,
 160181560802,29532404308019,1666577516860962,
 360777399719461393,45691067858241526814,
 3477439299142731351087,518913689466371066697746,
 147680787468230866751370317,
 43490064769447225534580532962]