A261847 - cp's OEIS frontend

A261847 Number of compositions of n into distinct parts where each part i is marked with a word of length i over a nonary alphabet whose letters appear in alphabetical order.

n	a(n)
0	1
1	9
2	45
3	975
4	3465
5	25047
6	471669
7	1542519
8	8361540
9	43916950
10	934748298
11	2560160538
12	12924414750
13	52656337800
14	271075650210
15	5853558884496
16	14764118156523
17	65116959410547
18	241547985000289
19	1004388404964615
20	4276652360222781
21	104392134731727315

[1, 9, 45, 975, 3465, 25047, 471669, 1542519, 8361540, 43916950, 934748298, 2560160538, 12924414750, 52656337800, 271075650210, 5853558884496, 14764118156523, 65116959410547, 241547985000289, 1004388404964615, 4276652360222781, 104392134731727315]

cp's OEIS Frontend

A261847 Number of compositions of n into distinct parts where each part i is marked with a word of length i over a nonary alphabet whose letters appear in alphabetical order.

Table of values

List of values