Number of 0..3 arrays of length 2*n+1 with sum no more than 3*n in any length 2n subsequence (=50% duty cycle).
A212473
Number of 0..3 arrays of length 2*n+1 with sum no more than 3*n in any length 2n subsequence (=50% duty cycle).
Terms
- a(0) =30a(1) =486a(2) =7862a(3) =126606a(4) =2034200a(5) =32644314a(6) =523487828a(7) =8390738062a(8) =134446993320
External references
- oeis: A212473