Number of length n+1 0..4 arrays with the sum of adjacent differences multiplied by some arrangement of +-1 equal to zero.
A250163
Number of length n+1 0..4 arrays with the sum of adjacent differences multiplied by some arrangement of +-1 equal to zero.
Terms
- a(0) =5a(1) =33a(2) =211a(3) =1269a(4) =7109a(5) =37881a(6) =195927a(7) =996933a(8) =5029417a(9) =25262121a(10) =126608171a(11) =633821781a(12) =3171197325a(13) =15861685497a(14) =79324281727a(15) =396666275397
External references
- oeis: A250163