Number of acyclic disubstituted alkanes with n carbon atoms and identical substituents.
A005961
Number of acyclic disubstituted alkanes with n carbon atoms and identical substituents.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =13a(4) =37a(5) =108a(6) =325a(7) =993a(8) =3070a(9) =9564a(10) =29979a(11) =94392a(12) =298311a(13) =945592a(14) =3005021a(15) =9570559a(16) =30539044a(17) =97611676a(18) =312462096a(19) =1001554565a(20) =3214232129a(21) =10326580526a(22) =33210135104a(23) =106901289420a(24) =344398593149
External references
- oeis: A005961