Homomorphic inverse images of elementary h-ary relations.
A246417
Homomorphic inverse images of elementary h-ary relations.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =7a(4) =36a(5) =171a(6) =813a(7) =4012a(8) =25931a(9) =342263a(10) =6498746a(11) =116477549a(12) =1839530421a(13) =26071946330a(14) =339710531761
External references
- oeis: A246417