A124422 - cp's OEIS frontend

A124422 Triangle read by rows: T(n,k) is the number of partitions of the set {1,2,...,n}, having exactly k blocks consisting only even entries (0<=k<=floor(n/2)).

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	2
6	5
7	8
8	2
9	22
10	25
11	5
12	52
13	101
14	45
15	5
16	283
17	423
18	156
19	15
20	855
21	1889
22	1143
23	238
24	15
25	5451
26	9726
27	5002
28	916
29	52
30	19921
31	48382
32	35805
33	10540
34	1275
35	52
36	144074
37	292223
38	187515
39	49155
40	5400
41	203
42	614866
43	1609551
44	1379753
45	512710
46	89425
47	7089
48	203

[1, 1, 1, 1, 3, 2, 5, 8, 2, 22, 25, 5, 52, 101, 45, 5, 283, 423, 156, 15, 855, 1889, 1143, 238, 15, 5451, 9726, 5002, 916, 52, 19921, 48382, 35805, 10540, 1275, 52, 144074, 292223, 187515, 49155, 5400, 203, 614866, 1609551, 1379753, 512710, 89425, 7089, 203]

cp's OEIS Frontend

A124422 Triangle read by rows: T(n,k) is the number of partitions of the set {1,2,...,n}, having exactly k blocks consisting only even entries (0<=k<=floor(n/2)).

Table of values

List of values