Number of compositions of 2n into n parts where differences between neighboring parts are in {-1,1}.
A364529
Number of compositions of 2n into n parts where differences between neighboring parts are in {-1,1}.
Terms
- a(0) =1a(1) =1a(2) =0a(3) =2a(4) =4a(5) =2a(6) =0a(7) =6a(8) =14a(9) =8a(10) =0a(11) =25a(12) =60a(13) =35a(14) =0a(15) =114a(16) =270a(17) =157a(18) =0a(19) =528a(20) =1242a(21) =722a(22) =0a(23) =2481a(24) =5826a(25) =3390a(26) =0a(27) =11816a(28) =27728a(29) =16145
External references
- oeis: A364529