This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Also, number of cubes <= 10^n. - Paolo P. Lava, Jun 23 2014 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..200 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: A215533 A128461 A011956 * A255711 A204804 A165136 Adjacent sequences:  A018000 A018001 A018002 * A018004 A018005 A018006 KEYWORD nonn AUTHOR EXTENSIONS More terms from Vincenzo Librandi, Jan 06 2014 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified October 15 03:04 EDT 2019. Contains 328025 sequences. (Running on oeis4.)