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A004227 a(n) = ceiling(1000*log_10(n)). 4
0, 302, 478, 603, 699, 779, 846, 904, 955, 1000, 1042, 1080, 1114, 1147, 1177, 1205, 1231, 1256, 1279, 1302, 1323, 1343, 1362, 1381, 1398, 1415, 1432, 1448, 1463, 1478, 1492, 1506, 1519, 1532, 1545 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
MATHEMATICA
Ceiling[1000*Log10[Range[40]]] (* Harvey P. Dale, Jul 19 2018 *)
CROSSREFS
Sequence in context: A075407 A258449 A261677 * A255144 A098241 A252605
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified June 18 23:11 EDT 2024. Contains 373488 sequences. (Running on oeis4.)