Number of -7..7 arrays x(0..n-1) of n elements with zero sum and no two consecutive declines, no adjacent equal elements, and no element more than one greater than the previous (random base sawtooth pattern).
A200180
Number of -7..7 arrays x(0..n-1) of n elements with zero sum and no two consecutive declines, no adjacent equal elements, and no element more than one greater than the previous (random base sawtooth pattern).
Terms
- a(0) =1a(1) =7a(2) =9a(3) =31a(4) =53a(5) =141a(6) =380a(7) =1010a(8) =2152a(9) =5014a(10) =14018a(11) =35542a(12) =78385a(13) =188789a(14) =503051a(15) =1241939a(16) =2859687a(17) =6957672a(18) =17863397a(19) =43991846a(20) =103888178a(21) =253531752a(22) =640390692a(23) =1575397895a(24) =3777406958a(25) =9259136398a(26) =23167497450a(27) =57008137128a(28) =138220165963
External references
- oeis: A200180