

A095240


Variant of A095236, where first two people choose payphones at the ends.


6



1, 2, 2, 4, 4, 16, 32, 48, 96, 384, 3072, 9216, 36864, 46080, 184320, 483840, 3870720, 7741440, 82575360, 743178240, 23781703680, 59454259200, 475634073600, 2497078886400, 39953262182400, 22473709977600, 85614133248000
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OFFSET

1,2


COMMENTS

A nonmonotonic sequence: a(25) > a(26).
a(n) > a(n+1) for n = 25, 33, 49, 57, 65, 81, 97, 98, 113, 129, 130, 131, 145, 161, 162, 177, 193, 194, 195, 197, ...  Max Alekseyev, Mar 14 2019


LINKS

Max Alekseyev, Table of n, a(n) for n = 1..100


FORMULA

For n>1, a(n) = A095239(n1)/(n1) * 2.  Max Alekseyev, Mar 14 2019


EXAMPLE

For example, in a 6payphone situation, person A must pick either payphone 1 or payphone 6.


CROSSREFS

Cf. A095236, A095239.
Sequence in context: A066781 A112869 A086117 * A110428 A076928 A286737
Adjacent sequences: A095237 A095238 A095239 * A095241 A095242 A095243


KEYWORD

nonn


AUTHOR

Matthew Vandermast, Jul 03 2004


EXTENSIONS

Edited by Max Alekseyev, Mar 14 2019


STATUS

approved



