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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A114480 as a simple table

na(n)
14
250
3650
48500
5111250
61456250
719062500
8249531250
93266406250
1042757812500
11559707031250
127326660156250
1395907226562500
141255441894531250
1516433947753906250
16215123168945312500
172815998840332031250

[4,50,650,8500,111250,1456250,19062500,249531250,
 3266406250,42757812500,559707031250,7326660156250,
 95907226562500,1255441894531250,16433947753906250,
 215123168945312500,2815998840332031250]