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A206375
Vinogradov's constants arising in enumeration of solutions to Waring's problem in the evil numbers (A001969).
0
8, 16, 32, 64, 128, 256, 512, 1024, 1758, 2128, 2536, 2982, 3466, 3988, 4550, 5152, 5792, 6474, 7194, 7956, 8758, 9600, 10484, 11408, 12376, 13384, 14432, 15524, 16658, 17834, 19052, 20314, 21618, 22964, 24354, 25786, 27262, 28780
OFFSET
3,1
COMMENTS
From Lemma 2, p. 2, of Eminyan.
FORMULA
For 3 <= n <= 10 then 2^n; else if n > 10 then a(n) = 2*floor( n^2*(log(n) + log(log(n)) + 4) ).
EXAMPLE
a(11) = 2*floor( 11^2*(log(11) + log(log(11)) + 4) ) = 2*floor(879.970885...) = 2*879 = 1758.
CROSSREFS
Sequence in context: A048169 A089882 A335850 * A146541 A363014 A261976
KEYWORD
nonn,changed
AUTHOR
Jonathan Vos Post, Feb 07 2012
STATUS
approved