OFFSET
1,4
COMMENTS
LINKS
Nicholas John Bizzell-Browning, LIE scales: Composing with scales of linear intervallic expansion, Ph. D. Thesis, Brunel Univ. (UK, 2024). See p. 147.
Sean A. Irvine, Java program (github)
FORMULA
a(prime) = 1. - Sean A. Irvine, Sep 10 2020
EXAMPLE
a(24) = 5 because the five rectangles 1 X 3, 1 X 3, 1 X 6, 1 X 6, 1 X 6 can form each of the rectangles 1 X 24, 2 X 12, 3 X 8, and 4 X 6. - Sean A. Irvine, Sep 10 2020
CROSSREFS
KEYWORD
nonn,changed
AUTHOR
EXTENSIONS
a(24)-a(59) from Charlie Neder, Oct 06 2018
More terms from Sean A. Irvine, Sep 10 2020
STATUS
approved