Number of length 2+4 0..n arrays with no disjoint pairs in any consecutive five terms having the same sum.

A247406

Number of length 2+4 0..n arrays with no disjoint pairs in any consecutive five terms having the same sum.

Terms

    a(0) =0a(1) =40a(2) =264a(3) =1544a(4) =6216a(5) =19080a(6) =49032a(7) =113896a(8) =237456a(9) =466640a(10) =856512a(11) =1494696a(12) =2491584a(13) =4009888a(14) =6231576a(15) =9423824a(16) =13882728a(17) =20009088a(18) =28250184a(19) =39194656a(20) =53468496a(21) =71900744a(22) =95363904a(23) =124954128a(24) =161852112a(25) =207511288a(26) =263443896

External references