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A032301 Shifts left under "EFJ" (unordered, size, labeled) transform. 0
1, 1, 1, 4, 8, 38, 206, 1200, 6824, 50912, 446752, 3828592, 38953680, 411358960, 4740541440, 57933236928, 759535226432, 10488778719488, 156933187370432, 2425018017191040, 40031753222399360 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

CROSSREFS

Sequence in context: A063580 A003049 A098563 * A032213 A032317 A032226

Adjacent sequences:  A032298 A032299 A032300 * A032302 A032303 A032304

KEYWORD

nonn,eigen

AUTHOR

Christian G. Bower (bowerc(AT)usa.net)

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Last modified February 16 12:15 EST 2012. Contains 205909 sequences.