Number of -1..1 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).
A200174
Number of -1..1 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) =1a(2) =3a(3) =3a(4) =2a(5) =6a(6) =10a(7) =7a(8) =12a(9) =28a(10) =29a(11) =29a(12) =70a(13) =105a(14) =96a(15) =169a(16) =327a(17) =363a(18) =449a(19) =914a(20) =1302a(21) =1426a(22) =2455a(23) =4220a(24) =5030a(25) =6925a(26) =12579a(27) =17582a(28) =21687a(29) =36154
External references
- oeis: A200174