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A082543 Take a string of n x's and insert n-1 ^'s and n-1 pairs of parentheses in all possible ways. Sequence gives number of distinct integer values when x=sqrt(2). 1
0, 0, 1, 1, 2, 2, 3, 4, 5, 7 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

COMMENTS

It appears that the integer values obtained are always of form 2^(2^k).

LINKS

Table of n, a(n) for n=1..10.

CROSSREFS

Cf. A003019, A082499.

Sequence in context: A036072 A045475 A316078 * A050322 A325512 A211858

Adjacent sequences:  A082540 A082541 A082542 * A082544 A082545 A082546

KEYWORD

nonn,more

AUTHOR

Benoit Cloitre, May 02 2003

EXTENSIONS

More terms and comments from W. Edwin Clark, May 02 2003

STATUS

approved

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Last modified October 21 03:24 EDT 2019. Contains 328291 sequences. (Running on oeis4.)