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A254402
a(n) = floor(a(n-1)^(3/2)), a(1) = 3.
1
3, 5, 11, 36, 216, 3174, 178817, 75615914, 657536414322, 533187198278014959, 389331524481948767367453560, 7682089373864047165337173800294919710603, 673316152668899727226337604512171297382634328995985790889798
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
Cf. A254401.
Sequence in context: A372255 A082856 A307140 * A060881 A035345 A254401
KEYWORD
nonn,easy
AUTHOR
Vaclav Kotesovec, Jan 30 2015
STATUS
approved