

A106267


Least c such that A106265(n) + b^2 = c^3 for some b (given in A106266)


3



1, 3, 2, 2, 2, 3, 17, 4, 3, 7, 6, 3, 5, 3, 3, 4, 11, 4, 14, 5, 21, 6, 4, 65, 9, 7, 4, 18, 4, 5, 4, 4, 23, 8, 6, 99, 5, 20, 13, 27, 7, 5, 6, 5, 9, 11, 143, 5, 8, 5, 7, 5, 5, 5, 15, 16, 12, 6, 47, 14, 195, 7, 197, 175, 8, 6, 9, 51, 10, 6, 59, 13, 7, 11, 6
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OFFSET

1,2


LINKS

M. F. Hasler, Table of n, a(n) for n = 1..2240


FORMULA

A106267(n) = (A106265(n) + A106266(n)^2)^(1/3).  M. F. Hasler, Oct 04 2013


PROG

(PARI) for(a=1, 999, for(c=sqrtn(a, 3)\1, (a+9)*99, issquare(c^3a, &b)&!print1(c", ")&break)) \\  M. F. Hasler, Oct 04 2013
(PARI) A106267(n)={for(c=sqrtn(a=A106265(n), 3)\1, 9e9, issquare(c^3a)&return(c))} \\  M. F. Hasler, Oct 05 2013


CROSSREFS

Sequence in context: A283469 A163751 A067279 * A096101 A104890 A064123
Adjacent sequences: A106264 A106265 A106266 * A106268 A106269 A106270


KEYWORD

nonn


AUTHOR

Zak Seidov, Apr 28 2005


EXTENSIONS

More terms from Robert G. Wilson v, Apr 28 2005
All values recomputed from A106266 and A106265 by R. J. Mathar, Aug 24 2008
Initial term 1 and other solutions with b=0 added by M. F. Hasler, Oct 04 2013


STATUS

approved



