Number of permutations of {1,2,...,n} that are non-self-overlapping as Hertzsprung patterns; also called non-extendible.
A376110
Number of permutations of {1,2,...,n} that are non-self-overlapping as Hertzsprung patterns; also called non-extendible.
Terms
- a(0) =1a(1) =1a(2) =0a(3) =4a(4) =18a(5) =106a(6) =658a(7) =4778a(8) =38770a(9) =352458a(10) =3546170a(11) =39179282a(12) =471653322a(13) =6146403266a(14) =86212578962
External references
- oeis: A376110