Triangle read by rows: T(n,m) is the number of cyclic permutations of [n] in which m of successive numbers add to a prime. 0<=m<=n, read by rows n>=0.
A132178
Triangle read by rows: T(n,m) is the number of cyclic permutations of [n] in which m of successive numbers add to a prime. 0<=m<=n, read by rows n>=0.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =0a(4) =0a(5) =1a(6) =0a(7) =0a(8) =1a(9) =0a(10) =0a(11) =0a(12) =2a(13) =0a(14) =1a(15) =0a(16) =2a(17) =4a(18) =4a(19) =2a(20) =0a(21) =1a(22) =6a(23) =19a(24) =16a(25) =15a(26) =2a(27) =1a(28) =6a(29) =36
External references
- oeis: A132178