OFFSET
1,3
LINKS
FORMULA
a(n) = A077042(n-1, n).
a(n) ~ exp(-1)*sqrt(6/Pi)*n^(n-3/2). - Vaclav Kotesovec, Mar 26 2016
EXAMPLE
a(3) = 3 since the compositions of [3^2/2]=4 into exactly 3 positive integers each strictly less than 3 are: 1+1+2, 1+2+1 and 2+1+1.
CROSSREFS
KEYWORD
nonn
AUTHOR
Henry Bottomley, Oct 22 2002
STATUS
approved