OFFSET
1,1
FORMULA
a(n) ~ c^((3/2)^n), where c = 2.02960355478331314223272956490362941573262985416270194089589212743... .
MATHEMATICA
RecurrenceTable[{a[1]==3, a[n]==Floor[a[n-1]^(3/2)]}, a, {n, 1, 15}]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vaclav Kotesovec, Jan 30 2015
STATUS
approved