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A018003
Powers of cube root of 10 rounded down.
21
1, 2, 4, 10, 21, 46, 100, 215, 464, 1000, 2154, 4641, 10000, 21544, 46415, 100000, 215443, 464158, 1000000, 2154434, 4641588, 10000000, 21544346, 46415888, 100000000, 215443469, 464158883, 1000000000, 2154434690, 4641588833, 10000000000, 21544346900
OFFSET
0,2
LINKS
FORMULA
a(n) = floor( 10^(n/3) ).
MAPLE
A018003:=n->floor(10^(n/3)); seq(A018003(n), n=0..40); # Wesley Ivan Hurt, Jun 23 2014
MATHEMATICA
Table[Floor[10^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 06 2014 *)
PROG
(PARI) a(n) = floor(10^(n/3))
(Magma) [Floor(10^(n/3)): n in [0..50]]; // Vincenzo Librandi, Jan 06 2014
CROSSREFS
Cf. powers of cube root of k rounded down: A017979 (k=2), A017982 (k=3), A017985 (k=4), A017988 (k=5), A017991 (k=6), A017994 (k=7), A018000 (k=9),this sequence (k=10), A018006 (k=11), A018009 (k=12), A018012 (k=13), A018015 (k=14), A018018 (k=15), A018021 (k=16), A018024 (k=17), A018027 (k=18), A018030 (k=19), A018033 (k=20), A018036 (k=21), A018039 (k=22), A018042 (k=23), A018045 (k=24).
Sequence in context: A128461 A011956 A371358 * A328692 A255711 A204804
KEYWORD
nonn
EXTENSIONS
More terms from Vincenzo Librandi, Jan 06 2014
STATUS
approved