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A096581 Number of solid partitions non-symmetric under L^2 (L= 'time-lapse' symmetry operation) on solid partitions. 8

%I #4 Mar 30 2012 18:37:44

%S 0,2,4,12,28,68,150,336,724,1550,3234,6688,13590,27354,54334

%N Number of solid partitions non-symmetric under L^2 (L= 'time-lapse' symmetry operation) on solid partitions.

%C By definition, A000293=A096580 + 2*A096581.

%H Wouter Meeussen, <a href="http://users.pandora.be/Wouter.Meeussen/SolidPartitions.txt">Solid Partitions Mathematica functions</a>

%e Solid partition [{{3,1,1,1},{3}},{{2,1}},{{1}},{{1}},{{1}}] lapses (L) into

%e [{{4,1},{2},{1},{1},{1}},{{1,1},{1}},{{1,1}}], then into

%e [{{2,1,1,1,1},{2,1},{2}},{{1,1}},{{1}},{{1}}], further into

%e [{{5,2,1},{2},{1},{1}},{{1,1,1}}] and returns after L^4 to

%e [{{3,1,1,1},{3}},{{2,1}},{{1}},{{1}},{{1}}]

%t See link above.

%Y Cf. A000293, A094504, A094508, A096272, A096573, A096574, A096575, A096576, A096577, A096578, A096579, A096580.

%K more,nonn

%O 1,2

%A _Wouter Meeussen_, Jun 27 2004

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)