Number of length n+1 0..3 arrays with the sum of the cubes of adjacent differences multiplied by some arrangement of +-1 equal to zero.
A250224
Number of length n+1 0..3 arrays with the sum of the cubes of adjacent differences multiplied by some arrangement of +-1 equal to zero.
Terms
- a(0) =4a(1) =20a(2) =52a(3) =208a(4) =704a(5) =2720a(6) =10952a(7) =45888a(8) =195516a(9) =852260a(10) =3760588a(11) =16656832a(12) =73584076a(13) =323148964a(14) =1409241264a(15) =6099051768a(16) =26171960056a(17) =111250573364a(18) =468230400620
External references
- oeis: A250224