Number of length 7+1 0..n arrays with the sum of adjacent differences multiplied by some arrangement of +-1 equal to zero.
A250172
Number of length 7+1 0..n arrays with the sum of adjacent differences multiplied by some arrangement of +-1 equal to zero.
Terms
- a(0) =128a(1) =3517a(2) =32032a(3) =195927a(4) =810964a(5) =2810751a(6) =7989940a(7) =20567199a(8) =46931176a(9) =100480363a(10) =198506588a(11) =375153177a(12) =669200436a(13) =1155420975a(14) =1910171088a(15) =3080038929a(16) =4801129076a(17) =7337318733a(18) =10913397192a(19) =15974820909a(20) =22870564032
External references
- oeis: A250172