Number of length 3+2 0..n arrays with the sum of medians of adjacent triples multiplied by some arrangement of +-1 equal to zero.
A253131
Number of length 3+2 0..n arrays with the sum of medians of adjacent triples multiplied by some arrangement of +-1 equal to zero.
Terms
- a(0) =16a(1) =90a(2) =281a(3) =673a(4) =1356a(5) =2452a(6) =4083a(7) =6409a(8) =9584a(9) =13806a(10) =19261a(11) =26185a(12) =34796a(13) =45368a(14) =58151a(15) =73457a(16) =91568a(17) =112834a(18) =137569a(19) =166161a(20) =198956a(21) =236380a(22) =278811a(23) =326713a(24) =380496a(25) =440662a(26) =507653a(27) =582009a(28) =664204a(29) =754816
External references
- oeis: A253131