OFFSET
1,1
COMMENTS
The next term -- a(8) -- has 170 digits. - Harvey P. Dale, Apr 18 2022
FORMULA
a(n) ~ c^((5/2)^n), where c = 1.292359119971021796628915278748164958162881226395259818195999161... .
MATHEMATICA
RecurrenceTable[{a[1]==2, a[n]==Floor[a[n-1]^(5/2)]}, a, {n, 1, 10}]
NestList[Floor[(Sqrt[#])^5]&, 2, 10] (* Harvey P. Dale, Apr 18 2022 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vaclav Kotesovec, Jan 30 2015
STATUS
approved