A147769 Late-growing permutations: number of permutations of 19 indistinguishable copies of 1..n with every partial sum <= the same partial sum averaged over all permutations.
1, 1767263190, 1125718321602329678223000, 155225932761938574730157553835938696696000, 7667961765084109378347562069301502363151989537397618954230000
Offset: 1