1,6
a(n) = A000041(n) - A073576(n) - A114374(n).
a(8) = #{2^2+3+1,2^2+2+2,2^2+2+1+1,2^2+1+1+1+1} = 4.
Cf. A005117, A013929.
Sequence in context: A091415 A091816 A100993 this_sequence A006755 A005853 A097029
Adjacent sequences: A117392 A117393 A117394 this_sequence A117396 A117397 A117398
nonn
Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 11 2006
Search completed in 0.002 seconds