login

A232399 as a simple table

na(n)
14
216
352
41120
513532
6798692
731802528
85824262024
9752183288216
10442761087574020
11185196365472026896
12352995486371015148824

[4,16,52,1120,13532,798692,31802528,5824262024,
 752183288216,442761087574020,185196365472026896,
 352995486371015148824]