"DIJ" (bracelet, indistinct, labeled) transform of 1,2,3,4,...
A032269
"DIJ" (bracelet, indistinct, labeled) transform of 1,2,3,4,...
Terms
- a(0) =1a(1) =1a(2) =3a(3) =10a(4) =43a(5) =247a(6) =1926a(7) =19414a(8) =236328a(9) =3323205a(10) =52705090a(11) =929220616a(12) =18022413696a(13) =381329741071
External references
- oeis: A032269