Isomers of deoxyalditols.

Terms

a(0) =1a(1) =1a(2) =3a(3) =6a(4) =15a(5) =32a(6) =74a(7) =160a(8) =356a(9) =768a(10) =1672a(11) =3584a(12) =7696a(13) =16384a(14) =34848a(15) =73728a(16) =155712a(17) =327680a(18) =688256a(19) =1441792a(20) =3014912a(21) =6291456a(22) =13107712a(23) =27262976a(24) =56624128a(25) =117440512a(26) =243271680a(27) =503316480a(28) =1040191488a(29) =2147483648