A293732 - cp's OEIS frontend

A293732 Number of multisets 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	3
3	6
4	15
5	31
6	73
7	155
8	351
9	755
10	1673
11	3604
12	7897
13	16988
14	36902
15	79222
16	171030
17	366180
18	786746
19	1679976
20	3595207
21	7657631
22	16332935
23	34706319
24	73812099
25	156503351
26	332004423
27	702533059
28	1486998780
29	3140716766
30	6634315264
31	13988517803
32	29494816751

[1, 1, 3, 6, 15, 31, 73, 155, 351, 755, 1673, 3604, 7897, 16988, 36902, 79222, 171030, 366180, 786746, 1679976, 3595207, 7657631, 16332935, 34706319, 73812099, 156503351, 332004423, 702533059, 1486998780, 3140716766, 6634315264, 13988517803, 29494816751]

cp's OEIS Frontend

A293732 Number of multisets 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