A086885 - cp's OEIS frontend

A086885 Lower triangular matrix, read by rows: T(i,j) = number of ways i seats can be occupied by any number k (0<=k<=j<=i) of persons.

n	a(n)
1	2
2	3
3	7
4	4
5	13
6	34
7	5
8	21
9	73
10	209
11	6
12	31
13	136
14	501
15	1546
16	7
17	43
18	229
19	1045
20	4051
21	13327
22	8
23	57
24	358
25	1961
26	9276
27	37633
28	130922
29	9
30	73
31	529
32	3393
33	19081
34	93289
35	394353
36	1441729
37	10
38	91
39	748
40	5509
41	36046
42	207775
43	1047376
44	4596553
45	17572114
46	11
47	111
48	1021
49	8501

[2, 3, 7, 4, 13, 34, 5, 21, 73, 209, 6, 31, 136, 501, 1546, 7, 43, 229, 1045, 4051, 13327, 8, 57, 358, 1961, 9276, 37633, 130922, 9, 73, 529, 3393, 19081, 93289, 394353, 1441729, 10, 91, 748, 5509, 36046, 207775, 1047376, 4596553, 17572114, 11, 111, 1021, 8501]

cp's OEIS Frontend

A086885 Lower triangular matrix, read by rows: T(i,j) = number of ways i seats can be occupied by any number k (0<=k<=j<=i) of persons.

Table of values

List of values