A226888 Number of n-length words w over a 9-ary alphabet {a1,a2,...,a9} such that #(w,a1) >= #(w,a2) >= ... >= #(w,a9) >= 1, where #(w,x) counts the letters x in word w.
362880, 1814400, 16632000, 119750400, 1003242240, 7749181440, 68518850400, 584994009600, 5490179735040, 51882551360640, 405925296678720, 3438148872412800, 28858842800988480, 242180235433825920, 2068546823359410240, 17716539920908308480, 155272065377761886400
Offset: 9
Keywords
Links
- Alois P. Heinz, Table of n, a(n) for n = 9..1000
Crossrefs
Column k=9 of A226874.