Number of length n+2 0..3 arrays with the sum of medians of adjacent triples multiplied by some arrangement of +-1 equal to zero.
A253124
Number of length n+2 0..3 arrays with the sum of medians of adjacent triples multiplied by some arrangement of +-1 equal to zero.
Terms
- a(0) =10a(1) =152a(2) =281a(3) =2058a(4) =6515a(5) =32166a(6) =119317a(7) =517390a(8) =2015982a(9) =8326770a(10) =32994052a(11) =133707596a(12) =532970510a(13) =2143392252a(14) =8562485503a(15) =34327247500a(16) =137243453902a(17) =549498735586
External references
- oeis: A253124