A261848 - cp's OEIS frontend

A261848 Number of compositions of n into distinct parts where each part i is marked with a word of length i over a denary alphabet whose letters appear in alphabetical order.

n	a(n)
0	1
1	10
2	55
3	1320
4	5115
5	40502
6	849695
7	3005860
8	17729140
9	101710180
10	2427338628
11	7149947740
12	39019448520
13	172243529680
14	967216439310
15	23628910183516
16	63666698290635
17	302259439194130
18	1206608816442095
19	5423457474305640
20	25200103664372021
21	701550193438735410

[1, 10, 55, 1320, 5115, 40502, 849695, 3005860, 17729140, 101710180, 2427338628, 7149947740, 39019448520, 172243529680, 967216439310, 23628910183516, 63666698290635, 302259439194130, 1206608816442095, 5423457474305640, 25200103664372021, 701550193438735410]

cp's OEIS Frontend

A261848 Number of compositions of n into distinct parts where each part i is marked with a word of length i over a denary alphabet whose letters appear in alphabetical order.

Table of values

List of values