OFFSET
1,3
EXAMPLE
a(6) = 8 counts all 11 partitions of 6 except these: 71, 521, 41111.
MATHEMATICA
Table[Count[IntegerPartitions[n], p_ /; MemberQ[p, Length[p]-Min[p]]], {n, 50}]
PROG
(PARI) a(n) = my(nb = 0); forpart(p=n, if (!vecsearch(Vec(p), #p-vecmin(p)), nb++); ); nb; \\ Michel Marcus, Jun 18 2015
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Feb 28 2014
STATUS
approved