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 A096581 Number of solid partitions non-symmetric under L^2 (L= 'time-lapse' symmetry operation) on solid partitions. 8
 0, 2, 4, 12, 28, 68, 150, 336, 724, 1550, 3234, 6688, 13590, 27354, 54334 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS By definition, A000293=A096580 + 2*A096581. LINKS Wouter Meeussen, Solid Partitions Mathematica functions EXAMPLE Solid partition [{{3,1,1,1},{3}},{{2,1}},{{1}},{{1}},{{1}}] lapses (L) into [{{4,1},{2},{1},{1},{1}},{{1,1},{1}},{{1,1}}], then into [{{2,1,1,1,1},{2,1},{2}},{{1,1}},{{1}},{{1}}], further into [{{5,2,1},{2},{1},{1}},{{1,1,1}}] and returns after L^4 to [{{3,1,1,1},{3}},{{2,1}},{{1}},{{1}},{{1}}] MATHEMATICA See link above. CROSSREFS Cf. A000293, A094504, A094508, A096272, A096573, A096574, A096575, A096576, A096577, A096578, A096579, A096580. Sequence in context: A148173 A148174 A193893 * A151258 A148175 A148176 Adjacent sequences:  A096578 A096579 A096580 * A096582 A096583 A096584 KEYWORD more,nonn AUTHOR Wouter Meeussen, Jun 27 2004 STATUS approved

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