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A152690 as a simple table

na(n)
11
22
34
416
5304
634864
724918064
8125436246064
95056710181206064
101834938528961266006064
116658608419043265483506006064
12265790273955000365854215115506006064

[1,2,4,16,304,34864,24918064,125436246064,
 5056710181206064,1834938528961266006064,
 6658608419043265483506006064,
 265790273955000365854215115506006064]