Number of permutations of [n] whose lengths of increasing runs are distinct prime numbers.
A317447
Number of permutations of [n] whose lengths of increasing runs are distinct prime numbers.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =1a(4) =0a(5) =19a(6) =0a(7) =41a(8) =110a(9) =70a(10) =13696a(11) =1a(12) =44796a(13) =155a(14) =411064a(15) =2122802a(16) =251746a(17) =1057634441a(18) =4404368a(19) =25043183a(20) =44848672a(21) =19725545894a(22) =106293316a(23) =307873058001a(24) =50194102
External references
- oeis: A317447