Number of permutations of {0, 1, ..., n} that start with 0 and have pairwise distinct differences between adjacent terms.

A346658

Number of permutations of {0, 1, ..., n} that start with 0 and have pairwise distinct differences between adjacent terms.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =3a(4) =7a(5) =27a(6) =94a(7) =425a(8) =2100a(9) =12252a(10) =79865a(11) =576220a(12) =4532457a(13) =38657929a(14) =354600915a(15) =3485914368a(16) =36545825768a(17) =407149542540

External references