Number of paraffins (see Losanitsch reference for precise definition).

Terms

a(0) =1a(1) =5a(2) =20a(3) =52a(4) =117a(5) =225a(6) =400a(7) =656a(8) =1025a(9) =1525a(10) =2196a(11) =3060a(12) =4165a(13) =5537a(14) =7232a(15) =9280a(16) =11745a(17) =14661a(18) =18100a(19) =22100a(20) =26741a(21) =32065a(22) =38160a(23) =45072a(24) =52897a(25) =61685a(26) =71540a(27) =82516a(28) =94725a(29) =108225