A154109 - cp's OEIS frontend

A154109 Convolution triangle by rows, A004736 * (A154108 * 0^(n-k)); row sums = Bell numbers.

n	a(n)
1	1
2	2
3	0
4	3
5	0
6	2
7	4
8	0
9	4
10	7
11	5
12	0
13	6
14	14
15	27
16	6
17	0
18	8
19	21
20	54
21	114
22	7
23	0
24	10
25	28
26	81
27	228
28	523
29	8
30	0
31	12
32	35
33	108
34	342
35	1046
36	2589
37	9
38	0
39	14
40	42
41	135
42	456
43	1569
44	5178
45	13744
46	10
47	0
48	16
49	49
50	162
51	570
52	2092
53	7767
54	27488
55	77821

[1, 2, 0, 3, 0, 2, 4, 0, 4, 7, 5, 0, 6, 14, 27, 6, 0, 8, 21, 54, 114, 7, 0, 10, 28, 81, 228, 523, 8, 0, 12, 35, 108, 342, 1046, 2589, 9, 0, 14, 42, 135, 456, 1569, 5178, 13744, 10, 0, 16, 49, 162, 570, 2092, 7767, 27488, 77821]

cp's OEIS Frontend

A154109 Convolution triangle by rows, A004736 * (A154108 * 0^(n-k)); row sums = Bell numbers.

Table of values

List of values