53319168domain: NAppears in sequencesOne eighth of deca-factorial numbers.at n=5A035277Partition number array, called M32(-4), related to A011801(n,m)= |S2(-4;n,m)| ( generalized Stirling triangle).at n=45A144267A partition product of Stirling_2 type [parameter k = 4] with biggest-part statistic (triangle read by rows).at n=34A157404