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A132564 as a simple table

na(n)
13
27
3192
4168435
539978110836
615613654698798357916993
7623836927026282902570236398554900878557592698
81188337081339257793393030293867110998009916417548412382888994781978552513537318870414198207

[3,7,192,168435,39978110836,
 15613654698798357916993,
 623836927026282902570236398554900878557592698,
 11883370813392577933930302938671109980099164175484\
 12382888994781978552513537318870414198207]