Total sum of minimum list sizes in all sets of lists of n-set, cf. A000262.

A097145

Total sum of minimum list sizes in all sets of lists of n-set, cf. A000262.

Terms

    a(0) =0a(1) =1a(2) =5a(3) =25a(4) =157a(5) =1101a(6) =9211a(7) =85513a(8) =900033a(9) =10402633a(10) =133059331a(11) =1836961941a(12) =27619253113a(13) =444584808253

External references