OFFSET
0,1
COMMENTS
There is no simple g.f. - Ilya Gutkovskiy, May 23 2019
LINKS
FORMULA
a(n) = ceiling(a(n-1)^2/a(n-2)), a(0) = 4, a(1) = 14.
MATHEMATICA
RecurrenceTable[{a[0] == 4, a[1] == 14, a[n] == Ceiling[a[n - 1]^2/a[n - 2]]}, a, {n, 25}]
CROSSREFS
Cf. A008776 for definitions of Pisot sequences.
KEYWORD
nonn,easy
AUTHOR
Ilya Gutkovskiy, Sep 29 2016
STATUS
approved