OFFSET
0,4
COMMENTS
Partitions of n into at most ceiling(n/2) parts and with at least 1 part greater than or equal to n - floor(n/2).
EXAMPLE
a(5) = 4 because the 4 nonisomorphic partitions of 5 are (5), (4,1), (3,2), (3,1,1).
PROG
(PARI)
CROSSREFS
KEYWORD
nonn
AUTHOR
Jon Perry, Jul 13 2004
STATUS
approved