A293741 - cp's OEIS frontend

A293741 Number of sets of nonempty words with a total of n letters over binary alphabet such that within each prefix of a word every letter of the alphabet is at least as frequent as the subsequent alphabet letter.

n	a(n)
0	1
1	1
2	2
3	5
4	10
5	23
6	51
7	111
8	243
9	530
10	1156
11	2497
12	5421
13	11662
14	25179
15	53991
16	116035
17	248025
18	531045
19	1131943
20	2415495
21	5135914
22	10927905
23	23182313
24	49199819
25	104154950
26	220543471
27	465997148
28	984704560
29	2076988713
30	4380764650
31	9225209928
32	19424814305

[1, 1, 2, 5, 10, 23, 51, 111, 243, 530, 1156, 2497, 5421, 11662, 25179, 53991, 116035, 248025, 531045, 1131943, 2415495, 5135914, 10927905, 23182313, 49199819, 104154950, 220543471, 465997148, 984704560, 2076988713, 4380764650, 9225209928, 19424814305]

cp's OEIS Frontend

A293741 Number of sets of nonempty words with a total of n letters over binary alphabet such that within each prefix of a word every letter of the alphabet is at least as frequent as the subsequent alphabet letter.

Table of values

List of values