OFFSET
0,4
EXAMPLE
a(9) counts these 14 partitions: 72, 531, 522, 432, 4311, 3321, 3222, 32211, 321111, 22221, 222111, 2211111, 21111111, 111111111.
MATHEMATICA
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Mar 30 2014
STATUS
approved