Number of arrays of n+2 integers in -7..7 with sum zero and the sum of every adjacent pair being odd.
A202075
Number of arrays of n+2 integers in -7..7 with sum zero and the sum of every adjacent pair being odd.
Terms
- a(0) =44a(1) =560a(2) =1786a(3) =0a(4) =95342a(5) =1264272a(6) =4213042a(7) =0a(8) =241384794a(9) =3259289000a(10) =11028760078a(11) =0a(12) =651843679214a(15) =0a(19) =0
External references
- oeis: A202075