a(n) = ceiling(A107293(n)/2).

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =1a(6) =1a(7) =1a(8) =2a(9) =2a(10) =3a(11) =5a(12) =7a(13) =10a(14) =14a(15) =20a(16) =28a(17) =41a(18) =59a(19) =85a(20) =122a(21) =176a(22) =254a(23) =367a(24) =529a(25) =764a(26) =1102a(27) =1591a(28) =2296a(29) =3313