Number of length 7+2 0..n arrays with no pair in any consecutive three terms totalling exactly n.
A246002
Number of length 7+2 0..n arrays with no pair in any consecutive three terms totalling exactly n.
Terms
- a(0) =2a(1) =82a(2) =5572a(3) =75260a(4) =728358a(5) =4108062a(6) =18838280a(7) =66983128a(8) =209732170a(9) =567864650a(10) =1413132492a(11) =3203059092a(12) =6839534702a(13) =13687432150a(14) =26203871248a(15) =47834595632a(16) =84386904210a(17) =143553121218a(18) =237664797140a(19) =382348873900a(20) =601693049782
External references
- oeis: A246002