OFFSET
0,4
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..10000 (terms n = 1..2000 from Fausto A. C. Cariboni)
EXAMPLE
a(5)=3 because there are 3 such partition of 5: {5}, {2,3}, {1,4}.
MATHEMATICA
<< DiscreteMath`Combinatorica`; np[n_]:= Length@Select[Mod[ #, 4]& /@ Partitions[n], (Length@# != Length@Union@#)&]; lst = Array[np, 50]
CROSSREFS
KEYWORD
nonn
AUTHOR
Giovanni Resta, Feb 06 2006
EXTENSIONS
a(0)=1 prepended by Alois P. Heinz, Jan 23 2021
STATUS
approved