strong law of small numbers ? surely not!
wouter meeussen
wouter.meeussen at pandora.be
Sat Sep 11 19:09:04 CEST 2004
the count of plane partitions of n that can be extended in exactly 3 ways to a plane partition of
n+1 by adding one element
equals
Anum=A007425 = 1,3,3,6,3,9,3,10,6,9,3,18,3,9,9,15 ..
or
Inverse Moebius transform applied twice to all 1's sequence.
or
tau_3(n)
***
the count of solid partitions of n that can be extended in exactly 4 ways to a solid partition of
n+1 by adding one element
equals
Anum=A007426
1,4,4,10,4,16,4,20,10,16 ..
or
Inverse Moebius transform applied thrice to all 1's sequence
or
tau_4(n)
***
?? duh?
W.
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