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A062108
a(n) = floor(n^(3/4)).
3
0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 6, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 19, 19, 19, 19, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22, 23, 23, 23, 23, 24, 24, 24, 24, 25, 25
OFFSET
0,4
LINKS
FORMULA
a(n) = A061054(n) - n.
EXAMPLE
a(100) = floor(100^(3/4)) = floor(1000000^(1/4)) = floor(31.62...) = 31.
MAPLE
seq(floor(n^(3/4)), n=0..90); # Muniru A Asiru, Jul 01 2018
MATHEMATICA
Floor[Range[0, 80]^(3/4)] (* Harvey P. Dale, Feb 12 2015 *)
PROG
(PARI) { default(realprecision, 100); for (n=0, 1000, write("b062108.txt", n, " ", floor(n^(3/4) + 0.0000001)) ) } \\ Harry J. Smith, Aug 01 2009
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Henry Bottomley, May 30 2001
STATUS
approved