Number of permutations of [n] having exactly ten (possibly overlapping) doubledescents.
A279299
Number of permutations of [n] having exactly ten (possibly overlapping) doubledescents.
Terms
- a(0) =1a(1) =24a(2) =16654a(3) =607995a(4) =52687209a(5) =2225347678a(6) =112136485958
External references
- oeis: A279299