A271706 - cp's OEIS frontend

A271706 Triangle read by rows: T(n, k) = Sum_{j=0..n} C(-j-1, -n-1)*L(j, k), L the unsigned Lah numbers A271703, for n >= 0 and 0 <= k <= n.

n	a(n)
0	1
1	-1
2	1
3	1
4	0
5	1
6	-1
7	3
8	3
9	1
10	1
11	8
12	18
13	8
14	1
15	-1
16	45
17	110
18	70
19	15
20	1
21	1
22	264
23	795
24	640
25	195
26	24
27	1
28	-1
29	1855
30	6489
31	6335
32	2485
33	441
34	35
35	1
36	1
37	14832
38	59332
39	67984
40	32550
41	7504
42	868
43	48
44	1
45	-1
46	133497
47	600732
48	789852
49	445914
50	126126
51	19068
52	1548
53	63
54	1

[1, -1, 1, 1, 0, 1, -1, 3, 3, 1, 1, 8, 18, 8, 1, -1, 45, 110, 70, 15, 1, 1, 264, 795, 640, 195, 24, 1, -1, 1855, 6489, 6335, 2485, 441, 35, 1, 1, 14832, 59332, 67984, 32550, 7504, 868, 48, 1, -1, 133497, 600732, 789852, 445914, 126126, 19068, 1548, 63, 1]

cp's OEIS Frontend

A271706 Triangle read by rows: T(n, k) = Sum_{j=0..n} C(-j-1, -n-1)*L(j, k), L the unsigned Lah numbers A271703, for n >= 0 and 0 <= k <= n.

Table of values

List of values