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A050646
a(n+1) is next smallest cube ending with a(n), initial term is 1.
9
1, 1331, 1003303631331, 1000000003003300003006603631003303631331
OFFSET
1,2
COMMENTS
a(5) contains 121 digits.
FORMULA
a(n) = A050647(n)^3.
a(n) = (Sum_{i=0..n-1} 10^((3^i-1)/2) )^3. - Max Alekseyev, Jan 07 2015
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Jul 15 1999
STATUS
approved