Late-growing permutations: number of permutations of 4 indistinguishable copies of 1..n with every partial sum <= the same partial sum averaged over all permutations.
A147686
Late-growing permutations: number of permutations of 4 indistinguishable copies of 1..n with every partial sum <= the same partial sum averaged over all permutations.
Terms
- a(0) =1a(1) =14a(2) =6930a(3) =5223915a(4) =27032968200
External references
- oeis: A147686