

A292740


Indices k such that A292547(k) = 0.


3



2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70
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OFFSET

1,1


COMMENTS

Complement of A290276.
Conjecture: for k > 212594 there are no more terms in this sequence (tested for k < 63000000).


LINKS

Vaclav Kotesovec, Table of n, a(n) for n = 1..54766


EXAMPLE

3 is in the sequence because A292547(3) = 0
8 is not in the sequence because A292547(8) = 1
201254 is in the sequence because A292547(201254) = 0
212594 is in the sequence because A292547(212594) = 0


MATHEMATICA

With[{nn = 200}, 1 + Position[#, 0][[All, 1]] &@ CoefficientList[ Series[Product[1 + x^((2 k  1)^3), {k, 1, Floor[nn^(1/3)/2] + 1}], {x, 0, nn}], x]] (* Michael De Vlieger, Sep 22 2017, after Vaclav Kotesovec at A292547 *)


CROSSREFS

Cf. A276517, A279329, A279486, A279529, A290276, A292547.
Cf. A001476, A022555, A031980.
Sequence in context: A167662 A309810 A246095 * A258266 A135383 A335525
Adjacent sequences: A292737 A292738 A292739 * A292741 A292742 A292743


KEYWORD

nonn


AUTHOR

Vaclav Kotesovec, Sep 22 2017


STATUS

approved



