Number of compositions of n with difference 5 between the number of odd parts and the number of even parts, both counted without multiplicity.
A242845
Number of compositions of n with difference 5 between the number of odd parts and the number of even parts, both counted without multiplicity.
Terms
- a(0) =120a(1) =360a(2) =960a(3) =2400a(4) =5364a(5) =11520a(6) =23904a(7) =48000a(8) =94308a(9) =181824a(10) =344832a(11) =643104a(12) =1186224a(13) =2169048a(14) =3928932a(15) =7096092a(16) =12764310a(17) =22970448a(18) =41423646a(19) =75112044a(20) =137278356a(21) =253642356a(22) =474883278a(23) =902578368a(24) =1743300754a(25) =3421941228a(26) =6820887514a(27) =13784976732a(28) =28189089684
External references
- oeis: A242845