A054144 - cp's OEIS frontend

A054144 Triangular array T: put T(n,0)=n for all n >= 0 and all other T(n,k)=0; then put T(n,k)=Sum{T(i,j): 0<=j<=i-n+k, n-k<=i<=n}.

n	a(n)
0	0
1	1
2	1
3	2
4	3
5	7
6	3
7	5
8	14
9	36
10	4
11	7
12	21
13	60
14	164
15	5
16	9
17	28
18	84
19	246
20	700
21	6
22	11
23	35
24	108
25	328
26	980
27	2868
28	7
29	13
30	42
31	132
32	410
33	1260
34	3824
35	11424
36	8
37	15
38	49
39	156
40	492
41	1540
42	4780
43	14688
44	44576
45	9
46	17
47	56
48	180
49	574
50	1820
51	5736
52	17952
53	55720
54	171216

[0, 1, 1, 2, 3, 7, 3, 5, 14, 36, 4, 7, 21, 60, 164, 5, 9, 28, 84, 246, 700, 6, 11, 35, 108, 328, 980, 2868, 7, 13, 42, 132, 410, 1260, 3824, 11424, 8, 15, 49, 156, 492, 1540, 4780, 14688, 44576, 9, 17, 56, 180, 574, 1820, 5736, 17952, 55720, 171216]

cp's OEIS Frontend

A054144 Triangular array T: put T(n,0)=n for all n >= 0 and all other T(n,k)=0; then put T(n,k)=Sum{T(i,j): 0<=j<=i-n+k, n-k<=i<=n}.

Table of values

List of values