Number of -6..6 arrays of n elements with first, second and third differences also in -6..6.
A202122
Number of -6..6 arrays of n elements with first, second and third differences also in -6..6.
Terms
- a(0) =13a(1) =127a(2) =967a(3) =5509a(4) =32267a(5) =188505a(6) =1104357a(7) =6471075a(8) =37917347a(9) =222179581a(10) =1301902689a(11) =7628745319a(12) =44701958081a(13) =261938834035
External references
- oeis: A202122