OFFSET
1,3
COMMENTS
lambda(n) is a partition of 2^(n-1).
The largest part of lambda(n) is A000045(n).
The number of parts of lambda(n) is A000045(n+1). Peter J. Taylor, Jul 24 2014
EXAMPLE
lambda(4) = 3+2+1+1+1 has conjugate partition 5+2+1, so lambda(5) = 5+3+2+2+1+1+1+1 and a(5) = |{5,3,2,1}| = 4.
CROSSREFS
KEYWORD
nonn
AUTHOR
Naohiro Nomoto, Feb 14 2002
EXTENSIONS
More terms, description and example rephrased by Peter J. Taylor, Jul 24 2014
STATUS
approved