Number of length 4+4 0..n arrays with some pair in every consecutive five terms totalling exactly n.
A246896
Number of length 4+4 0..n arrays with some pair in every consecutive five terms totalling exactly n.
Terms
- a(0) =216a(1) =5711a(2) =46656a(3) =264981a(4) =942216a(5) =2934691a(6) =7216512a(7) =16571465a(8) =33296760a(9) =64134231a(10) =113503296a(11) =195133981a(12) =316514856a(13) =502575851a(14) =764948736a(15) =1145338641a(16) =1660700952a(17) =2376636895a(18) =3316691520a(19) =4579210661a(20) =6195659976a(21) =8307888051a(22) =10956656256
External references
- oeis: A246896