Number of length 5+3 0..n arrays with no disjoint pairs in any consecutive four terms having the same sum.
A247731
Number of length 5+3 0..n arrays with no disjoint pairs in any consecutive four terms having the same sum.
Terms
- a(0) =8a(1) =656a(2) =9392a(3) =77236a(4) =408644a(5) =1668072a(6) =5532212a(7) =15837692a(8) =40185476a(9) =92896600a(10) =198499032a(11) =397892044a(12) =754772008a(13) =1366836516a(14) =2376338664a(15) =3988754296a(16) =6488751232a(17) =10269159692a(18) =15853887820a(19) =23940629936a(20) =35432070592a(21) =51496627304
External references
- oeis: A247731