Tri-substituted alkanes of form C_n H_{2n-1} X_2 Y, or equivalently bi-substituted alkyls of form -C_n H_{2n-1} X_2 (n=1: CHXXY; n=2: CXXY-CHHH CXYH-CXHH CXXH-CYHH).
A022014
Tri-substituted alkanes of form C_n H_{2n-1} X_2 Y, or equivalently bi-substituted alkyls of form -C_n H_{2n-1} X_2 (n=1: CHXXY; n=2: CXXY-CHHH CXYH-CXHH CXXH-CYHH).
Terms
- a(0) =0a(1) =1a(2) =3a(3) =9a(4) =27a(5) =81a(6) =240a(7) =711a(8) =2094a(9) =6152a(10) =18012a(11) =52613a(12) =153297a(13) =445772a(14) =1293780a(15) =3748820a(16) =10845935a(17) =31336532a(18) =90426198a(19) =260644262a(20) =750502831a(21) =2158961013a(22) =6205225334a(23) =17820505454a(24) =51139664497a(25) =146654181925a(26) =420291420558
External references
- oeis: A022014