Number of -5..5 arrays of n elements with first and second differences also in -5..5.
A201085
Number of -5..5 arrays of n elements with first and second differences also in -5..5.
Terms
- a(0) =11a(1) =91a(2) =587a(3) =3899a(4) =25935a(5) =172767a(6) =1150785a(7) =7664735a(8) =51049977a(9) =340013811a(10) =2264635877a(11) =15083431015a(12) =100461998355a(13) =669119172909
External references
- oeis: A201085