A226883 - cp's OEIS frontend

A226883 Number of n-length words w over a 4-ary alphabet {a1,a2,...,a4} such that #(w,a1) >= #(w,a2) >= ... >= #(w,a4) >= 1, where #(w,x) counts the letters x in word w.

n	a(n)
4	24
5	60
6	300
7	1260
8	6496
9	20916
10	95640
11	353760
12	1600104
13	5626764
14	23844002
15	88442445
16	387629456
17	1389902524
18	5788974504
19	21752247660
20	93252286444
21	340374221376
22	1409907258122
23	5335751835865
24	22620834658096
25	83728749708760
26	345377277971570
27	1315699675342065

[24, 60, 300, 1260, 6496, 20916, 95640, 353760, 1600104, 5626764, 23844002, 88442445, 387629456, 1389902524, 5788974504, 21752247660, 93252286444, 340374221376, 1409907258122, 5335751835865, 22620834658096, 83728749708760, 345377277971570, 1315699675342065]

cp's OEIS Frontend

A226883 Number of n-length words w over a 4-ary alphabet {a1,a2,...,a4} such that #(w,a1) >= #(w,a2) >= ... >= #(w,a4) >= 1, where #(w,x) counts the letters x in word w.

Table of values

List of values