Number of ways the set {1,2,...,n} can be split into three subsets of which the three sums are consecutive.

A113039

Number of ways the set {1,2,...,n} can be split into three subsets of which the three sums are consecutive.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =0a(4) =3a(5) =5a(6) =0a(7) =23a(8) =52a(9) =0a(10) =254a(11) =593a(12) =0a(13) =3611a(14) =8859a(15) =0a(16) =55554a(17) =142169a(18) =0a(19) =946871a(20) =2466282a(21) =0a(22) =17095813a(23) =45359632a(24) =0a(25) =323760077a(26) =870624976a(27) =0a(28) =6367406592a(29) =17307580710

External references