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A305274
Decimal expansion of x such that x^(x+3) = x^x + x^3.
0
1, 3, 9, 3, 0, 9, 1, 5, 4, 5, 3, 8, 5, 7, 1, 0, 5, 9, 2, 2, 2, 6, 1, 4, 0, 7, 8, 3, 2, 9, 4, 4, 6, 1, 9, 4, 0, 9, 8, 1, 1, 6, 1, 3, 1, 7, 8, 4, 5, 3, 5, 6, 9, 6, 0, 8, 0, 2, 9, 2, 4, 8, 0, 9, 7, 6, 4, 2, 7, 6, 9, 9, 0, 2, 8, 4, 6, 5, 3, 0, 5, 9, 3, 1, 2, 2, 9, 9, 6, 7, 9, 9, 4, 1, 3, 7, 9, 2, 2, 9
OFFSET
1,2
EXAMPLE
1.393091545385710592226140783294461940981161317845356960802924...
MATHEMATICA
RealDigits[x /. FindRoot[x^(x + 3) == x^x + x^3, {x, 3/2}, WorkingPrecision -> 120]][[1]] (* Amiram Eldar, Jun 18 2023 *)
PROG
(PARI) solve(x=1, 2, x^(x+3)-x^x-x^3)
CROSSREFS
Cf. A008789 (n^(n+3)), A316295 (similar, with 2 instead of 3).
Sequence in context: A257733 A098323 A225460 * A293382 A374242 A336501
KEYWORD
nonn,cons
AUTHOR
STATUS
approved